My fiancé is 34 I'm 21. We have an AWESOME relationship. He has the cutest son from his previous marriage. Anyway. When he gets his son, his mom will randomly show up and stay the night!! If he has his little boy for three days, she literally stays three nights. If I try to give my soon to be step son a bath, she will literally stand on the bathroom watch me and sometimes even take the job over. Same with in the kitchen, doing laundry, ect. Sometimes, she will even get to our house before us and will be inside(we never lock our house bc we live in the country and you will never found our house lol) I worry she has gone through our personal things ya know, like sex toys, lube, even my sexy panties. That's weird to me. I have found things placed differently in our room. If I am talking to my fiancé in a different rooms she will come in there just to hear. And if I show him my phone she will get up and walk to see!! Remember our age??? Well she told him not to have sex with me when she's staying the night. I'm sorry that's our house. She isn't going to say those things. If she has a problem with something I do in MY HOUSE or with my step son she won't confront me. She text him when she leaves. How do I tell my fiancé how I feel about her and how I don't think she should stay the night.