See under aphrodisiac.
Wine or alcohol consumption in general in moderate quantities as a "stimulant of the sex drive" has always played a very important role as a "love potion" in cultural history (along with many other means, often based more on superstition). For the Romans, Bacchus (who corresponds to the Greek Dionysus ) was the god of fertility, ecstasy and wine. The positive effect of drinking wine in the interpersonal sphere is undisputed. One is more willing to give in to one's feelings, to release inhibitions, to throw prejudices overboard and is more open and much more willing to communicate - always provided that one enjoys wine...
There is a vast number of sources on the web where one can acquire knowledge about wine. But none has the scope, timeliness and accuracy of the information in the encyclopaedia at wein.plus. I use it regularly and rely on it.
Sigi Hiss
freier Autor und Weinberater (Fine, Vinum u.a.), Bad Krozingen