What Is Missing Behaviour?

Missing behavior is the one where my clients go, hm, what doyou mean by that? And with m i actually call it missing behavior and or missing mechanism. So imagine that you are a person who loses your car keys frequently. Some of you listening might actually be a person who lost your car keys often. Well, the missing behavior is putting your car keys in the same ace as soon as you walk into the door before you do anything else. The missing mechanism might be a visual cue, a hook or a dish or something to remind you,. as you walk through the door, to place those card keys where they go.