"You gotta give yourself a reason to still be here." And alive, yeah. But also the random fucking happenstance of still being here instead of dust.

Because this wasn't the first thing Clint did. He didn't vanish into the darkness and the next day become the Ronin. He had to craft this, bit by bit, until he realized what would make his existing feel more worthwhile. Give himself a reason, else there is no reason.

"You can't wait for someone to hand one to you anymore."