Promise Me You Won't Be Me When You're Older

"So you're adopting me?" Tommy asks, tilting his head, his eyes had been filled to the brim with confusion, but with closer inspection, you can see the excitement in them as well. "But you and I literally just the same person! Can you even adopt yourself?"Theseus smirks. "I believe the answer to that would be yes, given that I'm doing it right now."Before Tommy can open his mouth to further question his older-self, the door barges itself open, revealing a very angry Wilbur Soot with Philza and Technoblade following behind him, the latter two staring at Theseus with nothing but murderous-intent in their eyes as they already had their weapons drawn out. "Well, shit." ___Or, after being sent back in time, Tommy resolves to whisking away his younger-self in hopes of giving himself the life he'd always wished for. He fails to account for his family's tenacity. Or or, c!Tommy and younger c!SBI have a custody battle over kid c!Tommy