My same-sex friend pulls my shoulder when walking and likes to hug me from behind, even in public places. I often pat my ass and others'. A study

If your same-sex friends often do these behaviors in public places, it may make you and others feel uncomfortable and embarrassed. These behaviors may also be regarded as sexual harassment or misconduct.

In this case, you can consider having an honest communication with your friends to express your feelings and concerns. You can say, "I like you very much, but these behaviors make me feel uncomfortable." I hope we can respect each other's boundaries. " If your friends say sorry to you and say they will change their behavior, then you can give them a chance to see if their behavior has really changed.

In addition, you can also consider sharing your troubles with other friends or relatives, who may give you more advice and support. If you feel very uneasy or unable to solve the problem, you can also consider seeking help from professionals, such as counselors or psychologists.

in short, it is very important to respect each other's boundaries and feelings. If your friend's behavior makes you feel uncomfortable, you should bravely express your thoughts and take action to solve the problem.