Because his curiosity gets the best of him and he wants to stay to see the cave man.
Sorry but more information is needed!! But lemme guess, does this have anything related about Edgar Allan Poe’s Tell-tale heart story??
Answer:
Well, I'm glad I graduated from college...but what I need to improve on is to stop worrying over the small things. (e.g. what others think of me, etc)
Explanation: