Infidelity Support Group
Any relationship in which one partner engages willfully in sexual relations with another outside of the partnership is considered to have experienced infidelity. This breach of trust is often traumatizing for the faithful partner as well as the relationship, and support is often needed to heal emotionally and to decide whether or not the relationship should continue after...
I would start by taking a vacation.. get out of town.. nobody but you two. Reconnect, no cellphone no social media..
If you have not properly healed from her multiple affairs then there is a good chance it has killed the love you had for her.
Couple counseling would be a good idea.
1. Couples counseling is never a bad idea and neither is personal counseling. You could very well be emotionally stuck.
2. Talk to her about it. You could also be picking up on some vibes she's putting out.
3. Read up - my husband and I are reading "Hot Monogamy" and it has some really insightful material and things you can work on together as a couple to increase intimacy.