Meredith's Baby shower was on a Saturday afternoon and took place in one of the conference rooms at the hospital so that some of her on-call guests could be right on the scene once they were paged. She received everything that her new baby would need. One of Meredith's favorite outfits that she received was a little pink pajama set with little hearts on the leggings. While Meredith was at the baby shower, Derek got to work painting the nursery.

When the party was over, Izzie and Dr.Bailey helped Meredith pack up the presents. Derek was on his way to pick her up and load things into the SUV. Derek was running late. He was rarely late, but this made Meredith paranoid. She called his cell phone, but it went straight to voicemail.

After thirty minutes of waiting Derek, pulled in. He came around the corner smiling. "Hey honey how was the shower?"

"Derek, where the hell were you?" Meredith said angrily with her arms crossed around her thirty week pregnant belly. "You were supposed to be here thirty minutes ago and your phone went straight to voicemail."

"Sorry Meredith, but I could have sworn you said three o'clock." Derek stated defensively, he then looked at his cell phone which had gone dead. "Oh, I'm sorry baby, my cell, I forgot to charge it this morning."

"You forgot to charge it? Great Derek and what if you forget to change our baby, are you just going to let her rot in her own filth?" Meredith began to get tears in her eyes and reached to put one of the gift bags in the car, but then Derek took it from her hands.

"Mer, I made a mistake and I said I was sorry." Derek said as he placed more of the gifts in the back of the car. When he ran out of space in the trunk area he put the rest in the backseat.

Meredith went and sat in the passenger side. Derek eventually sat in the driver's seat and they were on their way home. They had spent half of the car ride in silence.

"Meredith, why are you so mad. I made a simple mistake." Derek stated as he tried to hold her hand.

"I'm not mad." Meredith replied and took her hand away.

"You're not mad. Alright then we're ok." Derek said.

"All I'm saying is that…"

"And there it is."Derek said as he interrupted her.

Meredith scuffed, "What is that suppose to mean?"

"I knew you were mad. Meredith I said I was sorry." Derek said.

"Listen, you were late. You did not answer your phone for your thirty week pregnant wife. Now I know you're not cheating and I know you were painting the nursery, because your hands and hair have dry paint on them. So basically you are just an idiot. Now, you have me worrying that you aren't responsible enough for a child." Meredith said as they pulled into their driveway.

Derek looked hurt by her words. "You did not just say that Meredith. Tell me that is not what you meant."

"It is what I mean. So I hope you don't mind removing our daughters things and taking them into the house or did you forget that your pregnant wife can't lift that stuff too?" Meredith said.

Angrily Derek lifted the new bassinet that Addison had gotten them and took in through the door. "We can finish this discussion when I am done unloading the car."

"Fine." Meredith said.

When Derek was finally done unloading everything he walked into the kitchen and slammed the car keys on the counter. This startled Meredith.

"What the hell are you thinking? You have not been so emotional the past ten weeks so I thought you were done being crazy?" Derek yelled.

"Crazy? So now you are calling me crazy? Well lets see what is more crazy me crying while carrying your baby or you forgetting to pick me up? Because I think that is pretty much the worst. You are a grown man Derek." Meredith said with tears running down her cheek.

"I said I was sorry so what more do you want? Maybe you should grow up and realize that not everything is about you. I forgot to pick you up, because I thought I was suppose to get you at a different time. Not because I was irresponsible. I forgot to charge my phone and it died. Things happen Meredith. So get over it and move on." Derek shouted.

Meredith jumped up from her seat and grabbed her purse and keys. "Well maybe I will move on."

"Where are you going?" Derek questioned.

"I'm moving on. I can't do this Derek. I'm going to be at Izzie's. I'll have Alex come get my things in the morning and I will call you in ten weeks or whenever she decides to come." Meredith said crying and holding her baby belly.

Tears formed in Derek's eyes. "Meredith don't leave. You know that this is just an argument and we will get over it. I'm sorry. Just don't leave."

"I'm sorry Derek." She said as she walked out of the door.

Derek stood there in the kitchen. He was in shock. He hoped it was just a joke, but after three hours he realized that she was serious.