Here are the facts.
Está lloviendo a cántaros en Houston — cats and dogs, baby, cats and dogs;
It is a 1km walk each way to work;
I keep my USB drive attached to my key chain;
My apartment keys are on my key chain;
I used my USB drive at work today, i.e., I plugged it into the computer;
I had a hilarious 3km walk in the rain after work today because someone — I’m not pointing any fingers — left their apartment keys dangling from their office computer.