My ex husband is dating (well, for the past year- our divorce was final 6 months before he started dating her) a former coworker. He has her around our children more often now and I wonder if I should say something about a reintroduction? The kids like her and I don't want to stir anything up. However, I think the girlfriend had her eye on him while we were married (gave him gifts, went to lunch, invited him to stay over etc.). Does this seem like trouble?