I was in a shop in Toronto and while Mrs DCH was looking around I stood near the door as the heater was there and it was below zero outside. After a few minutes of standing there looking bored, a really friendly assistant came up and asked if I was okay and if there was anything she could help...
Many years ago I bought a nice blue checked shirt. First time I wore it, I popped into Tesco to grab a sandwich and people kept stopping me to ask where things were in the store. It was only when I got to the checkout I realised my shirt was almost identical to the ones worn by the staff...