Doonesbury by Garry Trudeau for April 29, 1971
Transcript:
Mike: Cynthia, I have something to tell you...When I met you in the encounter group, I suddenly realized what love was. But love shouldn't be one way, Cyn. Heck, no! I need someone to love me, someone like... Cynthia: Well, let me see. I know some nice girls, but I guess most of them are already involved,,,I've got it! How about a pet? They're really great! I once had the greatest cat!
friend zone. big time.