I’d resigned myself to this role in life, the one where I was trapped, stuck, not allowed to hope, and destined to become my dad. But now that the possibility of more was being threatened, I realized hard and fast there was so much more I wanted to live for.
Yep! This has been clear throughout - now that he realizes he doesn't have to be his dad, he wants to fight to stay - but it's good he finally realized what was going on. That's the thing about jail, he had nothing to do but think

