My wife and I both have a tendency to leave the garage door open. You’re in and out, grabbing garden tools or supplies, and at the end of the day you enter the house through the back door and forget to check the garage. Luckily, we live in rural Canada, surrounded by wonderful people, where the door could sit open for days without anything “disappearing”. But it still makes me feel nervous to discover it’s been forgotten, if only because it is a waste of heat in the winter (not to mention the chance of blowing full of snow!