So you think your significant other is a sex addict? This list of frequently asked questions (FAQ) and their answers may help shed light on the topic for you. The Best Relationship of My Life Was With a Sex Addict. Despite our brushes with unfaithfulness, STD scares and emotional drama, dating a. Dating a sex addict was hell — but it actually taught me so much about myself and relationships. Most doctors would prescribe treatment to help your sex addict get his obsessions and . He still sends birthday cards to ex- girlfriends. My girlfriend and I have been together for 2 years now. First, she was addicted to the feeling she gets while having sex and craves it all of the. My first girlfriend was a sex addict. We were each others' firsts, but we had an open relationship, and she slept with dozens of people while we were dating.