[The question surprises him. Once again, Rex never really talks about his feelings with anyone, or at least, no one outside of his very recent ex-girlfriend.]

Aaaah.

[Rex notes Mark's neck soreness. Fuck- He resists the urge to reach over and help him out. That's weird! Very weird. They're not even really bros or anything as of right now, just two people who happen to be stranded on the same inter-dimensional island. To make matters worse, until they got on this stupid train, they flat out despised each other.]

I guess you could say I've had my fair share of sleepless nights? 'S been a while, though.

Or... Actually, no. I...

Haven't been sleepin' all that well, lately...

[For a multitude of reasons.]

I mean, my dad's no Omni-Man gone rogue, and that stuff's like way done, or at least, as done as it'll ever be, but I...

Y'know Cecil made them keep a whole-ass blood stain on one of the walls in HQ? And! The brute in the suit made us all take a good long look at it. I'll go downstairs in the middle of the night to get a snack or some shit and have to walk by that thing!

I... I've gone over it in my head a bunch, now. So, so many times! I needed to figure it out, like, which one of 'em did it belong to?

...I couldn't tell ya, though.

I just don't know.

And it's been screwin' with my head for a goddamn minute and a half.