A moth goes to the dentist. The dentist asks "What's the problem?"
The moth responds "I don't really know. I'm kind of depressed and really unmotivated"
The dentist responds "You need to see a psychiatrist, I'm a dentist. Why did you come here?"
The moth says "Well, the light was on."
A Velociraptor and a T-Rex are sitting in a bar. The raptor points at a Triceratops in the corner and asks "Why was he the first to get served?"
The T-Rex replied "Because he was herbivorous"