Girlfriend uneasy with boyfriend’s ex

DEAR HARRIETTE: My boyfriend and I have been dating for almost a year now, and for the most part, things have been going really well.

He’s kind and supportive, and he makes me feel valued. There’s one thing that’s been bothering me more and more lately: how often he talks about his ex. He brings her up in casual conversation, shares stories from when they were together and still texts and hangs out…