[Dave chews on his bottom lip for a moment, thinking about that. he thinks about the way he and Rose argued over who was going to take on the Armageddon blowing up the sun mission. he thinks about the way he got tricked out of going, and the way he lucked right back into going.]

[he thinks about how none of those theatrics and getting hit in the head with a ball of yarn actually mattered, since both their quest slabs were right there anyway, meaning they were both meant to blow up when the timer hit zero to begin with.]

[timelines are fucking stupid.]

Nope. It's one of those dumbass things that can't be stopped, 'cause it was never meant to be.

[.....]

At least, that's how it was for the real one. Nothing stopping us from messing up this one. [beat the shit out of it maybe? cut the red wire? he doesn't know.]