I'm in college and have been in a serious relationship with a girl that I'm really into for a year. She slept over last night, and I have suspected her of flirting with other guys recently, so I looked at her texts and found her being kind of flirty with this guy that is in one of my classes. I'm pissed and feel like an idiot every time I see this dude. I want to put her in her place, but I'm afraid she'll call me out and get pissed that I was snooping. Help me. I don't know what to do.