Why are teenage crushes so strong? adolescent and teenage crush

Because its an expectation and you idealize them and talk to your friends about them nd are discovering stuff about yourself your taste etc

Teenage crushes have a significant role to play in the journey of adolescence. Consider crushes are of two kinds - identity crushes and romantic crushes. But it is because of the idealization that crushes have such momentary power. This is why parents need to respect an adolescent crush and not dismiss or put it down.