Derek frowns a little at that, and looks back over at Bitty. Simon is young, and he supposes some people do need to try to be sure, but Derek worries.

"Don't let him jerk you around," Derek tells him, telling himself that he cares so much because he's Bitty's friend, and maybe even his alpha, if he meant what he said in that other place. "You deserve to be more than someone's experiment."