Xanax turns off a different portion of the brain. It feels more like “nothing can bother me”. If I’ve taken Xanax for my panic attacks, the house could be on fire and I’d be the dog with the coffee cup.
Alcohol always tends to feel like a cover up for emotions rather than a clearing out effect, hence why some people get emotional while drinking. Similar, but different at the same time.
I read somewhere that when the pair who were husband and wife went up, officially on record, no they didn’t do the deed.
Other astronauts who have been asked about the couple answer it “well there wasn’t too much privacy, so it’d be difficult”. Not exactly a no.
We all know they banged for science, but NASA probably just wants it kept hush hush for whatever reason.