There's not a little tool. It's simply knowing what to look for and looking for it.

But the thing about people, Kell had discovered, is that they didn't really want to know. They thought they did, but knowing only made them miserable.

If they want to get pregnant, those white bead days are the days to have intercourse. If they don't want to get pregnant, they need to figure out what they're going to do on those days.

Initially, our intent was to develop them for use in developing countries, and then it became clear that there was also some interest in them here in the U.S..

it is simply not going to be enough.

Knowing lots of answers but being a millisecond slow on the buzzer is indeed very frustrating.