I don't know exactly what that Star Trek stuff is, but the scientist isn't trying to develop a drink which tastes like alcohol but doesn't make you drunk. Did you even read the article? He's trying to develop a drug which makes you cheerful like the early stages of drinking, but not drunk or hungover, like later stages.

Technically, the song "Love The One You're With" was originally released by Stephen Stills as a solo act, although CSN&Y did have a version on their "Four Way Street" album.

In terms of relationships, I have to say, it's always struck me as incredibly bad advice...