I've never been so humiliated

Around 4 years ago my husband and I were out to eat with my in-laws. He told them how I licked his ass once before, which I did it ONCE because he kept asking me to.

Fast forward to this Friday (ours sons bday party) that just happened, he brought up eating booty and how I've done it and his aunt goes EWWW YOURE NASTY, I then said how I've done it once because he BEGGED ME. Let's keep in mind that both of our family members are around at ours sons party. I was so embarrassed, so angry at my husband, so angry at being called nasty. Once we got.home I cried so hard and told him how humiliating that was for ME and he told me you care too much about what people.think of you. 3 days later and I am still so pissed and upset. I just wanted to vent. Why he would run his mouth about our sexual life is beyond my understanding