I once did a photo shoot for website headshots with a client. We took photos of about a dozen people. I had the photographer bring a laptop so after shooting several frames, we’d ask each person to come over and take a look, not to decide on the spot, but to make sure each person was happy and could find a shot they would like.
One person, who approved her shots, called me the day she received the electronic proof sheets.
Client: I hate them all.
Me: But you looked at the screen the day we shot and told us there were several you thought you could choose from.
Client: Well of course I didn’t wear my glasses for the photo shoot. You should have realized I was looking at the screen without my glasses on!
We had to schedule a second shoot in order to receive our payment on delivery.