Please Advice: I'm pregnant for my husband and yet still sleeps with my boss

Am titi 28years old,I got married last year,but before then I have been having an affair with my boss, I never wanted to but he threatened if I don't I will loose my job, so since then he always come into my office to have sex with me, so when I got married,I thought he would respect that and let me be but instead he continued. 

What should I do?

submitted by Titi Oke