Coping with Divorce or Separation

My husband swear's he loves me. Won't have sex with me, but he can there is no dysfunction we went to a doctor. About 3 years ago a girl stated calling and leaving messages in a British accent. "Do you want to quarrel! " and so and it was summer. I was trying to wean our 4 year old son out of our bed. When I got the phone bill for the past few months, from 1am to 4am he was on the phone. The whole thing causedone me to have a nervous breakdown, and one week after a week in the mental health unit I had a scheduled hip replacement. It failed 3 times and I was in bed for a year and a half. That was 3 years ago, I can walk again but her phone number is still on my bill. Her charges on credit card and I'very shone him on Microsoft the location where my accounts are being traced from. He says I'm crazy. Jealous. It's in my head. I can't take it anymore.