Insecure

She's trying to get back into his life and I am terrified. We've been together for a year and I believe he loves me and won't cheat. But, I don't believe he is fully over her and that if she tried to get him back that he wouldn't go. My heart aches. I'm not sure how to ask him to ask her to stop texting him. he knows it bothers me and assures me that it is nothing and she doesn't want him back. I know better. I know how calculating women can be. Every insecurity from every man that has ever cheated on me has come flooding back. And, my heart is breaking....