It's not cool to touch someone else's gear... My lady won't touch my system but she doesn't have to. She can pick up my Tablet and play anything she wants
Years ago we had a party, actually we had three events back to back so I picked up a $50 pair of Klipsch so I could put my Revel stand mounts out of harm's way.
Wouldn't you know it, one of my ex's friends put his plate full of food on the speaker and started to eat off of it .... I looked at him and said. " Really? You are using my speaker as a table? The dining room is over there " What a jerk. So ignorant