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For a few days now I've been so mean to people and I can't figure out why. Me and my boyfriend had sex about a week agobut we used a condom. Help me? I want to know why I'm being mean to people. And its geting worse. Normally I'm really nice to everyone.. If that helps at all.. I also have thrown up a few times over the past few days also.

That could be almost anything. Maybe you have PMS. Maybe you're sick. Maybe you're moody and hormonal because of puberty. Maybe you're worried about something. Maybe you're worried about pregnancy. Condoms are not 100% effective. So pregnancy is a possibility. But if you only had sex for the first time a week ago, then you probably wouldn't be feeling any true symptoms yet. It usually takes at least a couple of weeks before you feel anything. But worrying about being pregnant can actually trick your body into experiencing early pregnancy symptoms!

My advice: Watch for your period. Take a test if you're late, at least to put your mind at ease if you're worried. Get another form of birth control to use in addition to your condoms so that you have more protection in the future. Stay calm. Try meditation. If you don't feel better soon, you can try talking to a doctor or counselor.