Bars and clubs. That’s why these things happen. Not wholesome activities. Not high class people. Drinking and possibly drugging make them to lose those few boundaries they maybe have when sober .

You asked why these things keep happening to you. Because of the places you go, people you associate with and activities you partake in. Of course bad things could happen anywhere and it’s very sad. But in your case the reason it happens that frequently is what I said above

If you want to avoid all this, you have to choose more wholesome activities, better people and better places to hang out. I don’t think you need to stop going places, you just need to make 180 change in where you go and what you do