'I've often had clients tell me that when they experienced sex on meth, GHB or both for the first time that all the negative voices in their heads about shame, not being good enough, not fitting in and other traumas disappeared, albeit temporarily.' 'Every gay man that I've worked with in therapy that has used meth, GHB or both has reported that they were first introduced to using in the context of sex,' Craig Sloane, a New York City-based psychotherapist who has treated gay men in his practice for 18 years, told me last year.