So Here's what You're Not Going to Do
He lets them take out the frustrations on him. Encourages it really, because people need an outlet for their anger, and Lance has always been the best at making people angry at him.
(And if his heart twinges a little every time he has to let someone be particularly mean to him, then he just has to remember that this is what he's good at. What he's good for.)
But Lance is an older brother, and an uncle, and a younger brother. He learned sometimes keeping people means sacrificing his own feelings for a bit. He's been taught that he can't always let his feelings take a back seat though. After all, what happens if the rock falls apart?
So, while Lance is always prepared to be the enemy on any given day, there are certain days and certain things that he will not let fly.
Or,
What happens when Lance is sick of his teammate's shit.