[To be honest, that sort of sets him back on his heels a little because...]
Isn't that the one thing we don't have to worry about?
[For as messed up as their relationship has been during the years that is one thing that never really failed them. Because of this very thing, they were probably able to be here now.]
Even when we were enemies, we stupidly did things to protect and help each other. Even when we didn't need to.
Our relationship might never have recovered in the way that it has if it wasn't for that one thing. For everything we've done wrong, I know that's something we've always done right.