I once mentioned something Derren Brown said about the flirtatious side of magic to my girlfriend, since then she has been a bit funny about me performing magic for other girls, though we both know it doesn't really mean anything.
Obviously she isn't into magic as much as I am, and can get exasperated when I talk about it too much or show her too many videos. But she likes to see new things I'm working on, and is getting quite good at figuring magic out too. She's not really much of a lay-person anymore as she knows many basic magic techniques, I guess its like that for most magician's girlfriends/wives and close family members, who endlessly get new effects tested on them