I think it's really up to each individual lady what stance she takes on punters (and herself) being under the influence of anything when she is with them, and for every one of us who is horrified at the idea there will be another lady somewhere who will be more than happy to join him, and that's up to them.
I doubt most of us here would tolerate somebody who was mashed, more because they're such incredibly tedious company than anything else, but everybody's different and I don't see a question like this in an initial enquiry as indicative that this man poses any real threat to anyone bar being a pain in the arse, so I have removed his username from your post. Anybody wanting it can PM.