Why does love have to hurt

Why does love have to hurt
why does it make u think
why does it make u feel bad
why does it make ppl cry
why do i have to cry about u my love
why did u leave me 4 the other girl
was she prettier than me
was she the right one 4 u
did i do somethin wrong
did i say something wrong
did i not love u the right way
did u not love me at all were we not a match