Apology???

So my MIL called me, we had a good conversation until she brought up my husbands ex fiancé.

She was basically comparing my relationship with hers and my husbands and was telling me what she loved about her. Now this is not the first time she’s said some stuff in front of my face that has bothered me. To begin with why is she even being brought up to me is what pisses me off about this lady.

Like I don’t mind her calling but my husband has already told her not to talk to me or even bring that person up. Long story short the reason they broke up is because this girl cheated 2-3 times. But to my MIL she is the best that ever happened to my husband. She only wants to see what she wants to and got mad when I told her she was a hoe. I got tired of hearing about her. My MIL was so bothered that I said she had cheated on her son and was an alcoholic, that she told me to basically be quiet through the conversation and to let her talk about this girl. I tried to cut her off because at that point I didn’t even want to talk to her anymore.

Now! She is acting like I did something wrong, I decided to express how I feel to my husband and don’t want to talk to MIL because for one she is rude and disrespectful, she can’t respect my feelings and 2 she’s still friends with the ex and is trying to be friends with me 😤 the fuck! I’m not here to be anyone’s door mat. So to protect my feelings I just decided it’s best to not talk to her, I let my husband know. He did talk to his mom but now the lady is acting like if I did something wrong. In her eyes she didn’t do anything. Now my husband is asking to mend the relationship and wants me to be the mature one and apologize .... ummmm I don’t think I have to apologize to this lady that clearly doesn’t respect me. Thoughts ??