It takes time and stressful circumstances for Finch and Reese to comprehend just how much they could mean to each other. Feelings are dangerous. Then again, nearly everything they do is dangerous.
When he was forced to do so, Finch didn’t just break people, the way Reese did. No, Finch destroyed them, if need be. To protect the things in this life that Finch held dear, he could and would stop at nothing.