Never make fun of people for things they can't control

So many times I was made fun of this weekend for holding my friends’ hands in the dark. I literally do not see in the dark. So next time, if you see someone walking around a dark arena, street, hall, or building, holding hands with someone, do not tease them.

This goes for other things like:
-Nervous ticks
-muscle spasms
- stuttering
- any other type of thing that a person literally can not control.
Thank you.