"I figured it out a long time ago, I just didn't want to admit it to myself." Derek watched them as well, keeping a sharp eye on the griffin - while he was generally careful with the smaller creatures, and really very tame, he could sometimes play a little rough and Derek did not want to hear it from Stiles if his dog got hurt...not to mention the fact that Derek would feel guilty.
"I don't dislike it, per se, I just...it wasn't necessarily what I wanted. I never planned on being a teacher. This is just what happened to me."