husband got mad when i say i dont want oral sex

i dont like oral sex when he try to do that and i say in a good manner "no baby i dont want it " he start with... "thats why i dont believe in you " "you are doing something bad in your phone or maybe you are talking with someone else " i got really mad because he doesnt respect the  fact the i dont like it ... i dont know what to do ! Update : the reason is because i dont feel anything 😕 and if i tell him how or where i feel good he start asking me how do i know and blah blah ...