A/N : I'm back! I've had a busy week so far, since the finals are here and I want to maintain a good GPA. Putting that aside, this next idea kind of hit me while I was reading a fic by 'Galaxina-the-Seedrian' titled 'A Sister's Always There'. I just like exploring the topic of Phineas's biological father, and Doofenshmirtz fits perfectly into the scene! Enjoy!

Disclaimer: Phineas and Ferb and all characters from the actual show do not belong to me, they belong to Dan Povenmire and Jeff "Swampy" Marsh.

Common Scars

"Happy father's day dad!" Doofenshmirtz heard his daughter exclaim over the phone. She was presently in England with some green-haired boy who was supposedly her boyfriend. What was his name again? Fred or Frank or something like that. (A/N: If you read one of my otherfics you should understand the refference)

"Thank you Vanessa! It's a shame you aren't here, I miss my little girl" Doof told her, causing Vanessa to playfully roll her eyes, although he couldn't see it.

"Yeah, I was planning to come home, but apparently Ferb's father is comming over to visit his dad, and I couldn't get any time off today from work any eay, sorry" Vanessa exlained.

"No no! It's alright, I would have just been happy to see you is all, but I'll be alright. My new apprentice is comming over shortly"

"You mean Phineas?" Vanessa asked.

"Yep! I'm so thrilled! I never would have imagined someone asking me to be their mentor!" Doof happily exclaimed.

Vanessa smiled, then noticed a customer waiting "That's great dad, but I have to get back to work. I'll call you once I come over to visit alright? Bye!" the woman finished, then hung up.

Doof put down his phone, then something hit him "Wait a minute, Ferb's father is in England, but doesn't that mean-" his thoughts were interrupted by the sound of his doorbell. "It's unlocked!" the man shouted, then watched Phineas enter.

"Hi" the boy greeted in his usual manner

"Oh Phineas, you're here already"

"Yeah, I don't really have much to do today, so I stopped by early" he explained. Doof noticed his voice crack ever so slightly, but he ignored it for now.

"Ok. Any way, now that you're here we can get started. What was it you wanted me to explain again?" he asked the boy.

"Your theory of other dimensions" he reminded him."I find it really interesting, and-" his phone buzzed. Phineas took it out, then opened it to see who it was. He frowned angrily, then rapidly closed it and put it back into his pocket.

Doof had never really seen the boy show anger, so he became curious "Um, is something wrong?"

Phineas remained silent for a moment, then faked a smile and stated "Wrong? No no, it's just spam."

Doof could tell that he was lying becouse of the crooked smile, but again decided to ignore it. "Ok, well follow me if you want to learn more about my theory" he explained, then led the boy into his lab.

Doofenshmirtz was highly concerned. Phineas' phone kept buzzing, and whenever the boy would look at it, he would angrily close it and make up some cheap lie about what it was. Doof didn't buy it one bit, but he was also not willing to open up the conversation without knowing what was making Phineas so upset. Eventually, the boy stated "Um, do you mind if we take a small break? I have to go to the bathroom"

Doof shrugged "I don't mind at all"

"Ok, be right back then" Phineas promised him, then rushed into the bathroom. Dr.D kept looking at his equations when he suddenly heard a phone buzzing. He looked at the source, and there he noticed Phineas' phone lying on a nearby workbench.

"This has been going on for hours now! Who is texting him?" Doof asked, then decided to check it out for himself. He hesitated at first, but after a few seconds he finally opened the phone and read the latest message. The scientist slowly closed it, shocked by what he had read.

...

Phineas opened the door of the bathroom, the sound of flushing water still resonating from it, and walked into the lab "I'm back" the boy stated. Doof was sitting in a small chair and studying his equations. It looked like the man was trying to find the right words to explain his theory. Dr. D lifted his head and met the boy's gaze, then motioned for him to sit down.

Phineas looked at the man; true, he was deep in thought, but somehow it seemed as if he was thinking about something entirely different than his theory. Before Phineas could speak up, he heard his phone buzz yet again. The boy retrieved it from the table, and glared at it angrily after opening it, then set it down onto a nearby table and made his way back to Dr.D.

The man caughed twice into his hand, gaining the boy's attention, then began "So, I heard from Vanessa that your step-father is England today"

The sudden change of topic startled Phineas, and he responded with a slightly nervous voice "Oh, yeah, he's visiting grandpa Reginald, plus this way he can also spend some time with Ferb. Two birds with one stone right!" His enthusiasm was obviously fake.

"But didn't you want to spend time with him aswell? It is father's day after all" Doof stated.

Phineas faked another smile "Oh, it's no big deal really! I mean I get to see him more often than Ferb any way, so it's only fair right?"

"I suppose so, I mean he is your brother's biological father after all" Doof stated. This hit Phineas like a fray train. The boy didn't respond, but instead stared at the scientist. Doof then decided to finish what he had started "Speaking of which, you've never told me what happened to your biological father"

"S-shut up..." Phineas whispered

"I mean, you never really talk about him" Doof continued.

"Shut up" Phineas whispered a bit more loudly, then clenched his fists.

Doof ignored this, and continued "I'm pretty sure that your father would want to spent time with you on father's day right? I mean-"

"I SAID SHUT UP!" Phineas screamed loudly, panting heavily, his eyes bloodshot. Doof recoiled, not having expected the sudden outburst from his new pupil. Phineas continued "Don't ever mention that man to me!"

Doof put his hand on Phineas' shoulder, suprising the boy, then gave him a sympathetic smile. The man then asked in a low voice "Phineas, is everything alright? You know you can talk to me about anything"

Phineas stared at him with, then let the tears he was holding back flow down his cheeks. The boy covered his eyes, and said between sobs "No! Everything is not alright!"

Phineas was obviously hurt, so Doof tried to conpfort him "I... read some of the messages you've been revieving. They're from your father, aren't they? He's asking you to spend the day with him?"

Phineas snapped back "That man IS NOT my father! He just abandoned me, as if I meant nothing to him, and now he just expects to make up for it!? He didn't even say goodbye for crying out loud!" Phineas was having a mental breakdown, which shocked Doof. He had never expected Phineas of all people to be so upset.

Doof sighed heavily "I understand how you feel kid"

Phineas looked at him angrily, the boy's eyes completely red "How would you know how I feel?!"

The man leant back, put his hands behind his head, crossed his legs and looked at the ceiling, and started "Didn't show up to my birth, disowned me, replaced me with a dog, neglected me, forced me to be a lawn gnome, made me-"

"What are you talking about?" Phineas asked curiously.

Doof shrugged casually "Oh, just mentioning some of the things my father did to me in my youth" This statement shocked Phineas. Doof continued "You see, my father just downright hated me for some reason. Heck, I haven't even heard from that old cute in years!"

"Phineas had by now somewhat calmed himself down "Wait, you mean that you were abandoned by your father aswell?"

"No no, not just my father, my mother aswell" Doof casually stated. Phineas blinked in disbelief, then spoke up "That's horrible! You must be even more devestated than I am!"

"Meh, I'm over it to be honest" Doof explained.

"Over it!? How can you be over it!? You got abandoned didn't you!?" Phineas said loudly, his voice beginning to crack once more, the word 'abandon' stinging him in the heart.

Dr.D took a deep breath, then smiled slightly "Becouse I discovered something important. If they just abandoned me like that, then they don't deserve me." Doof placed his hand back on Phineas' shoulder "Same goes for you. You're a great kid! Well, young adult now. And if that jerk just abandoned you like that, it's his loss, not yours, so you shouldn't be so upset about it"

"You're right, but it still hurts you know?" Phineas told him.

Doof spoke softly "I know, but if you ask me, you grew up nicely without that guy, so just forget him and move on. And if he ever sees how strong you've gotten, he'll be the one who will cry, not you."

Phineas finally smiled, Doof's words convincing him to finally let it go. Phineas took a deep breath, then stated "Thanks, I feel better now. I just wish that I could spend father's day with my real dad"

Doof thought for a moment, then snapped his fingers "Say, how about we go out and have some fun instead? I know it's not quite the same, but whaddaya say?"

Phineas stared at him for a moment, then smiled broadly and nodded, and the two went outside to spend the day together. As for Phineas, this day he had learned that other people have scars aswell, and even if they can never fully heal, it is best to simply keep moving forward, an old motto that he had always followed and would continue to do so, so that those scars will be covered up by new skin, figuratively speaking of course!

END

Chapter end notes

OOC? Don't care! I loved writing this chapter and making Phineas show actual emotions, something that I hope you readers can appreciate! I am also asking you to send me any ideas that you may have for this series, becouse it's becomming harder and harder to come up with stuff (for me at least...). As always, reviews and favourites are appreciated, and I will see you next time!

jolleIQ is out, PEACE!