So I am 17 year old and my friends convinced me to download tinder. On Monday 7/17/17 I made the adult decision to have a hook up with a 19 year old (A). After I felt great like I finally did that. Then that night I met this guy (B) and we talked for hours (also on tinder). I really started falling for B and we ended up having sex the following day. A was unprotected and B was protected.I'm on birth control and have been for over a year but I wasn't always taking it the exact same time everyday (more like within the same 2-3 hours). Around two days ago I started feeling sick, headache, nauseous, and light headed. I know if I was pregnant I wouldn't show signs for over another's week. I don't start my period for about another week but I've been freaking out. Sometimes I will just listen to a song and get emotional because it reminds me of what happened. B told me about an hour after sex he wasn't feeling good with the same symptoms. Could I of just picked up his bug? Is it all in my head? Or do I really need to worry about being pregnant? Thank you for taking the time to read this and hopefully you could get back to me