Long story short, something was bothering me hard a few days ago and my ex called me and could tell I was off.

Didn't explain anything but that I'd talk to get some other time. That whole day she sent me texts of things to make me feel better which was nice but later that night she called back to ask me again what was wrong.

Personally I think she sent all that stuff to open me up to tell her, regardless I didn't explain anything that night either and while I'll admit it annoyed me that she kept asking after I made it clear for her not to worry about it, she's demanding an apology from me. Saying that I yelled at her that night (which I didn't)

I don't owe her one, and I need insight on how to handle this conversation. Appreciate it.