[He holds on to him more tightly, breaths coming shakily at the way he sounds, at the rush of emotions coursing anew. He shuts his eyes, for a moment, just to curl forward into Shiro more, their temples brushing together when Keith just shakes his head, smooths his hand carefully at the back of Shiro's neck.]
Shiro...
It was out of our hands so many times. I didn't even know how much. [You died and he didn't even-- god.] But I can't, won't just accept that anymore. I don't want to.
I'm here for you, Shiro, but - it's really for us both. [...] I'm selfish that way. There's no point, without you.
[He proved that by costing the universe a Black Paladin in not letting go, didn't he? Even now, there's not a hint of regret in those actions, whatever the outcome.]