There's no reason
pero in English is however, or more commonly, "but".
but what did you eat for breakfast
¿por que eres tan malo?
as for me I would like you to come for me, but no
"Por que mierda" is a colloquial phrase in Spanish that can be translated to "why the hell" or "why the f***". It is used to express frustration, anger, or disbelief.
"Por qué estudias español" means "Why do you study Spanish" in English.
But you say i'm crazy.
The Spanish phrases 'para qué' and 'por qué' both can mean why.
"Por que tienes un gato gordo" is Spanish for "Why do you have a fat cat?"
Creo que su hermosa, pero un poco loco
"Por qué estás enojado" in Spanish means "why are you angry" in English.
"por que no puede ver que lo que quiero" in Spanish means "so that you can't see what I want" or "so that he/she can't see what I want"