Male rape happens, very, very rarely. When it does happen it is usually homosexual as men are vastly more likely to be sexual criminals than women. For a woman rape is something that every one of us is aware could happen at any moment any day. The invisible backpack you are wearing blinds you to this, but ask your feminist friends and they will tell you.
Being a rather girly boy, and being bullied most of my growing up life, I'd like to think I can at least sort of understand your fear. Though I hope this fear isn't consuming too much of your life.
God, I would have thought you hit China already...
Guy...stop digging...it won't get you out of the hole.