I've definitely been there before. Talking about past relationships can feel like walking on eggshells, but it's all about timing and how you frame it. I’ve found that asking in a way that shows curiosity about how their past shaped who they are today helps avoid any negative vibes. Something like, "How do you think your past experiences shaped what you're looking for in a relationship now?" works much better than just bluntly asking about exes. Also, it's important to be ready for any answer without letting it affect your trust in the current relationship. If you're still unsure about how to navigate awkward couple questions
https://apericor.com/dating/relationship-advice/awkward-questions-for-couples. It really helped me understand how to approach tough topics without making things uncomfortable or damaging trust. Let me know if you try it out, hope this helps!