I've moved this to the appropriate section as it may get lost in Show and Tell.
You haven't mentioned how you feel in this, are you ok with his affairs, were you aware of them and he only recently told you they were BDSM?
These are pretty fundamental to understanding what kind of advice to give.
Are you at all interested in becoming submissive and undertaking BDSM type activities with him, or are you more looking on how to proceed with him "getting his fix" of BDSM elsewhere?
I was not aware of the affairs but I did have my suspicions. While I am very hurt by this latest affair with his sub as it has been going on for 3 years, I still believe in our marriage and I still believe we can rekindle the passion we once had for one another.
While I realize he has been cheating, I am not so obtuse as to not recognize my faults and shortcomings as a wife both emotionally and in the bedroom. We are working on strengthening our bond both as a couple and in our sex life, he never thought I would be interested in exploring bondage and kinky activities bc in the past I had an unknown medical illness and condition that affected both my libido and comfort when having sex. We have been in a slow decline for over 10 years and neither one of us came forward with our wants and needs and we settled into a life of security and comfort, forgetting to surprise one another.
We are going to slowly begin to explore my comfort levels with BDSM and I am eager to explore just how kinky I can be. Any advice on where to begin? I forgot that I can be a sensual woman and I do need a bit of romancing but I would love to learn again how to properly fuck my husband, it doesn't always have to be vanilla.