Yesterday,

All my troubles seemed so far away,
Now it looks as though they're here to stay,
oh, I believe in yesterday....

..cough

Yesterday by accident, I walked into the girls bathroom. Not noticing this, I walked to the sink, just then a women walks in. Startled, she asks, "Why are you in the woman's bathroom?". I take in my surroundings, and then I ask,"Why are there urinals in the woman's bathroom?"