I live with 2 other friends, both girls. We are all 20. We all have separate rooms. One of my friends doesn't want me having sex in our apartment, like she told me I can't have my boyfriend in my room having sex with me. I am so freaking weirded out.. I 100% respect that, but my boyfriend lives an hour away and we are not going to pay $100 for a hotel to have sex in.. How do I tell her it is our bussiness..?