When he says “I don’t want to say anything bad about her”?

[lovelycara]

My friend saw this guy that I used to see, my friend asked if he knows me, and he says “i don’t want to say anything bad about her”

What does he mean by that?

[Bethany22]

He might still have feelings for you if he wants to try and be diplomatic

[Guy13]

It means you have a bad reputation. What did you do?