absent-mindedness

seagull

is forgetting to remember, or remembering to forget.

is the mental absentia resembling a mild form of dementia.

is being lost in thought because it is unfamiliar territory.

is searching for the horse you are riding.

Absent-mindedness is searching for the horse you are riding.

is when you forget, but it's gross negligence when someone else forgets.

It's absent-mindedness when you forget, but it's gross negligence when your wife forgets.