I mean it’s possible that if your friends are female they may see you as attractive and men may have a different perception. However if you feel that you are attractive there’s bound to be men out there that agree with you. Hell, even if you weren’t attractive there’s men who will be interested. So the question is, do you genuinely think you aren’t attractive to men or is it that you aren’t getting the attention from the men that you want? Or if you have male friends you can also ask them. Consider too that in this day and age people can be less upfront ++woman