There's a guy we all know and don't like and his name is Murphy. He has a bunch of laws. One of the most memorable for me is that if anything can go wrong, it will go wrong. And boy, didn't it.
A few months ago I had an appointment for my regular check-up at the dentist. Sadly I couldn't make it in time and had to cancel. My new job is very far away from my dentist. I rescheduled for late last month and showed up a week too early. Sigh. Big misunderstanding. Anyway, I had some time off coming up and I rescheduled again. 
I'm kind of embarrassed and definitely mad at myself. And I'm stamping my feet and saying "it's not fair". My husband brushes for half the time I do and seems to only remember to floss when he sees me flossing and yet he never has cavities!
However, I learned from this experience. The dentist suggested some techniques: