Caleb isn't sure why he's so annoyed by this. Michael's not annoyed. He's concerned, yes, and he can feel that it's because he doesn't want Caleb to hurt himself. But it doesn't feel like Michael thinks he's weak. It feels like Michael's just... being a big brother, or whatever. Like the way he worries about Alice when she's in a bad mood.

He huffs a breath and tilts the tire up onto its treads so he can roll it over to the car.

"I used to lift heavier than this back home," he complains.