I'n my early stages, I had people calling me sir left and right. And it was obvious to them that I was born a guy biologically. It didnt matter what I wore. Later on, people just left off the gender mark if they could. Earlier it was
"Hello sir" but then it was just, "hello". fast track to today, i rarely ever have an issue with it but i do get clocked sometimes. Like two days ago, i was with y best friend, and I was asked if i was her husband... but he also asked if i was Kurdish too.
Getting to the point, some people are ignorant, not understanding, and/or unwilling to accept anything they see as abnormal. I remember the smirks, the comments, the laughs, finger pointing, the misgendering, but in the end, all you can do is go on with your day and keep working at your transition.
I do have to say, that after I did get laser on my face, and i used LESS makeup and foundation, a lot of the "sir" comments stopped. Some of it had to do with a boost of confidence, which can go a loooonnnggggg way.