A figure behind the glass
The puzzle
A man was in the shower when he saw a figure through the frosted glass of the bathroom door.
He lives alone.
See the answer (spoiler)
Spoilers from here on. If you want to work it out yourself, leave this folded and move on.
Answer
His coat was hanging on the hook just outside the bathroom door.
Seen through frosted glass, the outline looks like somebody standing there.
