Why are guys soo confusing grrrr i hate it!!!!!!!!?

so i want mostly guys to answer so why are you guys so confusing like it seems you like a girl but then it doesnt and that hurts girls!! guys please answer i wanna know what you guys think like basically teen guys around 13-15 whats wrong wih them!!!!!! do they like a girl or not! geesh sorry but theres a guy i like and it seems he likes me but then it doesnt :\ so guys answer well also girls but i wanna know what guys think ty (: