That awkward moment when you walk outside without a coat on, go back inside and up stairs to grab your coat, forget it while on the way up, then go back outside again. All while you're in a hurry. Then when you grab your coat you walk outside and forget your sunglasses, spend 15-30 minutes looking around for them, give up, then once you're outside again you have either realized you took your coat off to look for the sunglasses or find the sunglasses in the inner coat pocket of the coat... or both...