- When did I last see this thing?
- Where did I last use it?
- Where might I have left it?
- Did I tuck it away someplace?
- Could I possibly have thrown it away by mistake?
- Have I finally stepped over the edge?
- Did someone else move the thing?
What happens when someone routinely tucks things away in nonsensical places? OK, maybe this person somehow thinks this is helpful or simply necessary. But …