When you are lying in bed with a guy/girl after sex, and make all kinds of plans to go out, and be together in the future. Knowing it's never really gonna happen, it just sounds like a nice thing to say at the time.
This also sounds like a great name for an Emo Band!
Since all men are mortal and Socrates is a man, Socrates is mortal.
("all men are mortal" and "Socrates is a man") are the PREMISES, while "Socrates is mortal" is the conclusion.