Before we get into the chapter, there's something you'll need to know so things make a bit more sense. For the purposes of the story, when J'onn restores the memories of someone from Earth-Prime, he wipes out their Earth-Prime memories.

GIJose: Glad to hear it. Yes, it will be explained. Glad you liked that.

Guest: 16x16.

Caitlin's apartment

Afternoon

Caitlin takes a moment a moment to compose herself, not wanting to breakdown over a letter, the last letter she may ever get from her best friend. After she was sure she wouldn't burst into tears, she picked the letter back up and began to read.

'This isn't how I wanted to do this Cait, but I guess I'm just too much of a coward to come back and face you, face all of you, and tell you that I'm leaving, for good,' she read. 'Mostly though, I can't come back because I'm afraid you'll talk me out of it and succeed .But I didn't want to be one of those people who walks out on his friends without a word. I owe you the truth Cait.'

Caitlin frowned as she read this, confused. It was clear Barry hadn't shown up to tell her to her face that he was leaving because he didn't want her to talk him out of it. But what was so important that he didn't want to be talked out of leaving? Her curious nature rearing its head, Caitlin continued reading the letter.

'Whenever I've been an idiot or too caught up in myself to see the bigger picture, it was always you who set me straight, usually by yelling at me to the point where I was scared of you.'

Caitlin had to stop, laughing at this. Because it was true, she had yelled at him a lot whenever he couldn't see the situation for what it was. And it had always amused her to see how freaked out by it Barry was. Wiping the tears out of her eyes, she continued reading.

'And I know if I showed up at Star Labs and told you everything, you'd yell and logic me into staying. But I can't Cait, not anymore. I can't lie to you and say I'll come home, because Central City, it's not home anymore," Caitlin felt a lump form in her throat as she read this but she swallowed it, continuing to read. 'And it's not because of Iris, Team Flash or even Oliver. It's because of me. By now, you've probably figured out that Iris and I were never married on this new Earth. There's a reason for that Cait.'

Caitlin frowned as she read this. For two weeks, they'd wondered why Barry and Iris weren't married on this new earth, which Cisco had taken to calling 'Earth-Prime'. It had confounded them all, seeing how devoted Barry was to Iris, to a point she, Cisco and Ralph had honestly worried about him. It look like she was about to find out why they weren't married, she thought as she continued reading.

'When Oliver recreated the multiverse, all of us woke up exactly where we were supposed to. That includes me, I just didn't expect where I woke up.'

Two weeks ago, the day the multiverse was reborn

Barry opened his eyes, unsure of where he was. He sat up, realizing he was dressed only in boxers as he looked around. He was in a bed he didn't recognize in a room he didn't recognize. He saw a picture on the wall of him, his mom and dad. Was this his and Iris' house in this new multiverse, he wondered.

Throwing the covers off, he headed into what he hoped was the closest, relieved when it was. There were two sets of clothes, a man and a woman's. But the woman's clothes didn't seem like things Iris would wear. Confused, Barry put on jeans and a shirt before exiting the room.

Seeing a flight of stairs leading down and hearing the clatters of pots and pans, Barry realized he wasn't alone in the house. He sped down the stairs and ended up in the kitchen. There was a woman, making breakfast, but it certainly was not Iris. But still, even from the back, he knew her.

"Hey, breakfast is almost," Patty Spivot said as she smiled at him and he could only stare at her in shock.

Now

Caitlin stared at the letter in disbelief. Patty Spivot? But, in an odd way, it almost made sense. If there was anything that would make him leave Iris, it would be Patty Spivot. Barry's 'one that got away', as Cisco used to call her. But still, there had to be more to it than that, she thought as she kept reading.

'Now's probably the part where Killer Frost wants to freeze my leg off for walking out on you guys for a girl.'

'He's not wrong," Killer Frost muttered in Caitlin's head but Caitlin ignored her, continuing to read.

'But it's more complicated than that. If it was just a choice between Patty and Iris, I would have walked away and come back to you guys,'and Caitlin knew he would have, she knew there was something else going on here. 'I explained what was going on to Patty, about Crisis and the multiverse and she took it…very well. She was understanding about the whole thing. And then…then I heard this sound in the other room. Two little giggles followed by a crash.'

Two weeks ago

Barry looked up at the sound as Patty took off towards the sound. Hearing her yelling, Barry's curiosity got the best of him. He followed her and stared at the scene in stunned shock. What looked like a tornado was in the room, creating havoc. Then, Patty had two little blurs, two kids, in her arms.

Now

'Patty's a mom Cait. And it turns out, they're my kids,' Caitlin read in stunned shock.

Kids. Barry had kids, with Patty Spivot; Caitlin's mind was struggling to process this. Suddenly...suddenly Barry had a family that wasn't The Wests or her, Cisco and Ralph. Now he had Patty and their kids. She knew what this meant to Barry, to have kids he could raise and she was happy for him, but God, it was a lot to process.

'Apparently, when Patty left town four years ago, she was pregnant. And she had twins, two little three year old tornados,' Caitlin laughed at that, knowing Barry was not exaggerating. 'She knew I was busy with Zoom, so she waited until it was over, until they were here, then she called me. I've done the math Cait, she would have called me around the time I would have gone back in time and created Flashpoint.'

West House, three and a half years ago

Night

Barry was about to run back in time, save his mom, when his phone rang. Barry sighed, debating on ignoring it before he pulled it. He was surprised to see it was Patty and answered.

"Patty?" he answered hesitantly.

"Hey Barry," Patty said and he was concerned by how weak Patty sounded.

"Is everything okay?" Barry asked and Patty was quiet for a long moment.

"I know I should have told you this before, back when I found out but…When I left, I was pregnant," Patty said and it took Barry a moment to comprehend what she was saying.

"W-what?" Barry stammered.

"I was pregnant. And…I just delivered a few hours ago. Twins, a boy and a girl. We have twins Barry," Patty said, stunning Barry.

Now

'Patty's phone call must have stopped me from going back in time,' Caitlin read. 'After the Anti-Monitor, I came back here to get to know them, get to know my kids. Don Henry and Dawn Nora Allen. Dawn has Patty's long blond hair and blue eyes. And Don is practically my clone.'

And Caitlin could picture them both in her head, two little three year olds who super sped around the house, causing untold grief for their parents. Caitlin let out a sound that was mix between a sob and a laugh as she imagined it.

'I know I should have told you and Joe and Iris, but I didn't. I should probably be angry with Oliver that I can't remember the first three years with them, but all I can be is grateful that he gave me them In the first place. I love them, more than I ever thought I could love something. And so how can I look at this, this gift that Oliver gave me, and walk away from it? How can I ever come back when all I want is to be here? That's not fair to anyone.'

And here it came, Caitlin thought as she fought back tears. The goodbye.

'Cait, you are my best friend, the best person I know. Everything you've lost, everything you've been through, you still stood by my side when I needed you. I never deserved a friend like you. You said once you couldn't move on, and I know that it's because of me. Well, I'm gone now Cait. I'm setting you free, you're fired from Team Flash,' Caitlin laughed at that, knowing he was only joking. 'Seriously though, you deserve whatever you want out of life. You deserve to be happy Cait. I'm not saying goodbye though, because I want to see you again one day. Not because you've come to yell at me and logic me into coming back though. I hope when we see each other again, it's because you've come to meet my family. That my kids get to call you Aunt Caitlin, because I'll tell them about you and Cisco all the time. Until that day comes, go be happy. I love you Cait.

Barry'

Caitlin stared at the letter for a few moments, tears rolling down her cheek before she folded up the letter, wiping the tears from her eyes.

"I love you to," Caitlin whispered to the empty room.

Honestly, the writers failed to capitalize on Crisis to its full extent. They know how disliked Iris and WestAllen are, they could've wiped it out but instead, they continue to push it down everyone's throats. Because Barry will never leave iris for himself, even though he's a selfish dick at this point, he's too good to walk out his wife for selfish reasons.

But, since apparently couples can reunite off screen now, my head canon is that Barry will leave Iris for Patty off screen. Change my mind.