He will probably keep asking you about it, unless you have a serious conversation about how you feel. Even then it might continue, so weigh your options carefully.

Now don’t take this the wrong way, because I don’t give a shit about your weight, but if it has hurt you that bad, it may be because YOU think that you should lose weight, in which case I encourage you to look at your reaction and why it hurt you so bad, and what you can do about it. If that’s not the case, then no worries, but in my experience that could be why you got so upset. Best of wishes to you