['I was invited to a party but I refused because I am married and my spouse was not home.', "Is your spouse jealous? Why did you feel you couldn't go?", 'I would not feel right going without him, we usually go out together.']
It's a party with lots of people, not a private dinner. I respect and understand your devotion to your husband though.
I was invited by a friend to go to a party and I refused