I agree with the recommendation for therapy. I can say that it helped me to get in a more positive and constructive mind set.

Other thoughts on your lack of intimacy:

Getting a pet can give some kind of replacement for intimacy with another human being. Sure, it is not the same. But cuddling with a cat can help to feel less lonely.

For intimicy as in “sex”, I think there is nothing wrong with considering sex workers. Unless of course it is illegal in your country…