He's literally doing this:

@sleepymarmot goddamn. And of course Grace got the opposite of what he wanted, too, which was not to go at all.

On the other hand, the others wanted to give their lives to save the world, and they did. Dubois’ death propelled Grace into the mission — possibly the only person who would have reacted to Rocky like that, securing their success. His (book canon) huge stash of nitrogen saved the astrophage Grace needed to complete the mission. Yao and Ilyukhina’s deaths gave Grace the urgency to try as hard as he did to make it to Tau Ceti and so to Rocky, and left him enough coma slurry to survive the crises ahead. And Grace being forced into the mission saved his life in the end and returned him to what he’d been longing for all along, a quiet life with friends and fog over the beach and little ones to give his love of science to.

The Defenders Season 1 Episode 06 - Ashes, Ashes