Most Helpful Girl
This is really sad. I was in a similar situation as you last year with my first boyfriend who I used to love so dearly. I broke up with him and though it was really hard, I didn't look back. Yes, I still think about him at times, but I am with a man that doesn't do things like flirting with girls on Facebook.
The worst thing is that I also confronted him about it, and he did no change, he was never going to.
I am sad for you cause your relationship is more that just dating, you are married. I do not know what to say, I am only 20 years old. Maybe you can ask your parents for advice, especially your mom, she loves you and she will know what to say to you.
All the best!