I have been on 150 mg Effexor for over five years.
Although sometimes interested in sex, it is usually out of the question for two main reasons;
1. inability to achieve and maintain erection
2. Hardly any or no orgasm, so really no reward whatsoever to look forward to
If I were younger I would probably stop today, but at age 52 and the fact that my wife hardly complains
pretty much explains my " I don't care" attitude towards sex