I thought I was addicted to sex too a few years ago when I was married. In my case though, I wasn't seeing Escorts, but my partner had lost all interest in sex, and as Tania said, it's a need just like every other human need.
I found the less I got it which for the last 10 years was never, the more I thought about it and the greater my libido seemed to become, almost to the point of insanity, where it was affecting my decision making at work and my motivation for every day life.
I went to see a therapist because I thought I had a sex addiction however she said the same thing as Tania said, that I was a person with a normal libido lacking attention and that I should bring my partner along to see her.
I feel that sex is like breathing and it's too important to be an optional extra in a relationship. It's just an a shame that it's not as easy to acquire as taking a breath.