On this matter, I agree with your handling of this issue. I don't agree with the cutting of all contact exactly that way. Men do get their feelings hurt also. I don't condone men saying a woman owes them sex or anything. Or even pressuring sex.

She should let him know that she doesn't want sex and not to pressure her and also that if she wants sex she will tell him. She should let him know it is ok to ask her also, but not in a pressuring way. And she should let him know if he doesn't stop it she will cut off contact. But also let him know she prefers friendship.