how is a truely friend?

how is a truely friend? if one day you feel sad, call me. i don't promise i'll make u happy. But, i'll hear what u say if one day u want to cry, call me i don't promise i'll make u smile. But, i'll cry with u if one day you call me, but i don't answer. pls, come to me as soon as possible, because i need you so much. MINH CO SAI GRAMMAR KO NHI?