My boyfriend punch me in my back and what should I do

my boyfriend punched me in my back because I punched him first because he was messing with my friend and I didn't talk to him for a while and even though he looked sad I really didn't care.then he called me on the phone and told me how sorry he was and he asked me am I steal mad at him and I sad a little bit .what should I do about this problem?

Darling how old are you?

How old are you?
Is he abusive to you?
...I don't understand your question.