Should I be bothered that he said this about his ex?

I’ve been talking to this guy for a couple months, we’ve talked about his ex only a few times, but in our recent conversation when she came up he said something that stuck with me and kind of made me think why is he saying this to me if he likes me?

Would anyone be willing to message? I think this guy might be on here and I can’t really post this without sharing specific details.