Is it normal to think sexually about any women?

So I’m a girl and I try hard not to but I always fantasize about any girl I see who’s even tiny bit attractive. Idk if its because of watching p@rn or something but can someone tell me why I’m this way? Do I need therapy or is there a way to stop it? I always get turned on in the wrong situations when all they’re doing is just being there or talking to me (talking to me intensifies it).

I know it’s normal to have sexual feelings but I think this way about literally every woman. Not saying its wrong to be les but I get sexual thoughts about any woman.