My poor daughter -- on New Year's Eve, she was cleaning house for a small party they were having that evening, and decided to change the filter in the air intake to her heating unit. This filter is in the floor, in the doorway leading into her bedroom.
She took off the metal grate, and then got distracted by her dogs. Of course she forgot what she'd been doing, and went about her business with other things, eventually -- you guessed it -- walking into her bedroom.
Of course the filter (filthy dirty filter, I might add) didn't hold her weight, and she plunged through the hole, stopping when her hip hit the side, full force.
She was there alone, except for the animals (3 doggies, 3 cats), who didn't help much, except that the cats tried to investigate and kept trying to jump into the hole as DD shrieked multiple obscenities.
She came over to my house for lunch today and showed me the bruise. Ouch, ouch, and OUCH. That sucker is the size of a very large canteloupe, and is a deep purple with rosy red highlights.
And this poor kid is just 32. I can't imagine what she'll be walking into by the time she's my age!