Flirting right in front of her man

So today I was at a wedding and a friend from work was their with her husband. He was anxious and depressed but she was looking hot. Her and I were vibing but I was not trying to feed into it but she was feeling up on me and giggling at me right in front of him. It felt bad because I wasn't trying to but his was flirting with me so hard. I dont think she wouldve done anything but i think she was getting off the "innocent" fun