Does this happen to any other guys?

ok so like when i was sitting down my cousin thought it would be funny to jump on my lap and sit down so she did and she was wearing a skirt with no underwear and i was wearing bball shorts and i popped one and my ***** went in her p--sy and then i jumped up and went to my room and locked the door and listened to music.......3 days later the same thing happened with my friends sister thats 17