It's easy to try out if you want. Give your house key to a stranger, then lock yourself inside your home. The stranger may or may not come and unlock your door at some point in the future, but who knows if/when.
Next, make sure you don't have any access to food or water, toiletries, medicine.
And there you go! see how it goes!
(PS. Don't do this)
While the situation sounds terrible, you have a great sense of humour. You literally made me laugh out loud. Sometimes, I notice bad situations either make us more grim or improve our sense of humour (or both!)
I hope things improve for you soon.