Hell, the fandom itself imposes the illogical stereotype--not L&C specifically, but it's been done in Smallville and long before that in Superman III (I think that was the one, anyway--it might've been IV, I can't remember which).
"You take turns, advise and protect one another, even heal or be healed when the going gets too tough. I know! That's not a game--that's friendship!" ~Shelly Mezzanoble,
Confessions of a Part-Time Sorceress: A Girl's Guide to the Dungeons & Dragons Game Darcy\'s Place