I hate to break it to you, but I’m afraid that’s because you might be the only one who didn’t get it. In order: The student was never at OP’s home; they were at OP’s workspace, which is some distance away from his home. Probably a workshop inside of, attached to, or on the property of a school or college of some kind since OP has a “student” and not an employee or something. OP did not rub one out in the next room; in the time he spent going home, the storm damaged the house, killing any kind of mood that might have been there prior to that. Again, the students were not at OP’s house, so no, they don’t have the keys to his place; they have the keys to his workshop. (If I’m guessing right this post refers to the December 7 storm in Queensland, which caused massive floods. Maybe the door was insulated enough to have withstood the storm if the student had locked up right?) And the windows got broken because of the storm. That’s… kind of what storms do, even mild ones. One branch breaks off a tree down the road and gets picked up by the wind and there go the windows. Or maybe the wind picked up a pebble and launched it into your window at Mach Speed. Or somebody’s roof shingles blew away. Or maybe it even knocked over a tree that crashed into the side of the house, taking out several windows all at once.

Guess I'll be the first to post that I'm more than a little confused. Students in your home without your spouse there? Naughty texts with you rubbing one out in the other room? and your students have keys to your place? How did windows get broken? A lot here makes no sense.