Speaking of the muni...

Other things that are unacceptable to do on public transportation (or in general) is to touch strangers. For example: If you happen to be an old Chinese lady and you are sitting down on the train, and I happen to be myself standing in front of you, it is not acceptable for you to reach up and grab my wrist and comment on the size of it. Nor is it ok for you to keep talking rather loudly about how oddly small they are. If I don't know you you should not be touching me or commenting about any of my body parts. Ewww...