Although You Do Get Pretty Excited When I Just Lie There

Girlfriend: I don’t know what’s wrong with me lately. I just keep falling asleep at the oddest times. I think I may be suffering from necrophilia.
Boyfriend: I sure hope you mean narcolepsy.
Girlfriend: Oh, yeah. I always get those confused.
Boyfriend: Well, as long as it’s only the definitions that you confuse and not the symptoms…

–Grand Central