UP by Jawbone:a wristband that collects data based on your movements, sleep patterns, calories burned, food intake, etc. Paired with the corresponding app and you get personal insight into your daily habits and how to improve on them.
Periods Are Like Dementors. They make you feel as if all the happiness is gone from the world and the cure is chocolate.--I read this as "people" are like dementors. And yet, it's still entirely accurate.