[ Zenitsu's behavior usually has the effect Magolor is having. Tanjiro is very first friend, and for a guy living for 16 years that's a pretty long time to go by without any friends.

Either way, he's already pouring out all his emotions, why stop now? ]

Shut it, you jerkface! You don't know how it is to have a very weak heart! I know I'm a wimp! I hate it too! Also, why are we talking about my personality anyways?! We'r talking about how you mercilessly destroyed that doll that never did anything!