Teacher-student friendship/relationship?

Recently I moved out and I told some teachers in depth what I’m dealing with and I got emotional, cried, and they ended up giving me their number, (three male teachers separately) and said that if I need anything to call them.. how should I look at this as? I really do like all my teachers and love how caring they are, but should I be worried or no?

btw: I’m a senior, 18 and graduating this month