Source: Anime - Tumblr Posts

Sakumo: You don't like to admit it, but if anyone else was mean to Gai, you'd beat them up.

Kakashi: Psh. No.

Gai, coming into the room with a pout: Some jonin who were bad-talking Papa said they're gonna kick my ass :(

Kakashi, standing up: Not if I kick theirs first