You are his enemy (a Uchiha)

Kakashi never really liked Uchihas because of how cruel and heartless they are, plus because of the great ninja wars

But what if he fell in love with one?

Timeline: before the seventh great ninja war

Kakashi was with Sakura, Sasuke and Naruto on mission in the woods, Sakura was simping over Sasuke, Sasuke was trying to get away from Naruto and Naruto was annoying Sasuke

Until Kakashi stopped so randomly after seeing a figure in the distance