I just noticed that my wife has been texing a co-worker, and they have been calling each other, too. I realized this after she was acting strange the other night, like constantly checking her phone. Come to find out, she had been texting this guy while we were out with friends. I monitored this over the next few days, and there was more texting. She would text stuff to him stuff like, Call me tomorrow if you get bored. I didn't see you much today. I will call you after I leave the gym. They called each other a lot the other day, too. She called him as soon as she left for work yesterday. I looked at her call history. Of course, she talks about him a lot and she always talks about how much they are alike. Our sex life is very bad right now...maybe 3 times a month if I'm lucky. Am I overreacting, or is this the start of an affair? He is married with kids. What do you guys think?