I wouldn’t say it offends me, at the end of the day, what you like is what you like, however I don’t like it when someone tries to force it on me. I been in the TMF chat on a few occasions when someone has DM and asked me if I am I to M/M tickling. Thankfully in most cases when I apologise and say no, they have been respectful and left me to it, heck I have even had some nice conversations with them after. But you do get the ones, on occasions that can’t take no for an answer and still try to force it on me, but thankfully far and few between. But I would never be offended by i, even if I am straight