well its none of there bissness. Just say that.
Just come out with it and say "I'm really sorry, but I'm not interested" or something of that nature.
If your boyfriend is afraid to admit socially that the two of you are in a relationship, he may be embarrassed to be with you or he may think that you are too good for him, thus he may not want...
There are many ways to say no but I think there is no easy way to do it.well you just gotta tell the truth just say no!!
A relationship with several ups and downs.