F19 from Singapore me and my boyfriend did something wrong, I guess.

(Sorry if my English is bad) Hi iam fathima 19 from Singapore, my boyfriend 23 also from Singapore so whe were dating for a year now, we are very active in sex like we had sex in his car, public places, bla bla bla, so recent I asked him that if he thinks my mom is cute, he thought for a while cuz I sometimes ask questions like to check his loyalty it's a girl thing, he said she is cute, so one day whileweh were having sex I asked him does he think my mom have nice body, we both were in heat like hella horny he said yeah she is, I don't know what happened to me I was asking some weird questions and it leads as to talk dirty about my mom, we both had lot of sex in my house that day some days later we had sex again that day I stole my mom's things for him, I know it is wrong, when ever I talk or face my parents especially my mom I feel guilty,she even asked me if iam alright, my mom is a good person.