In a new book, the director of relationship science at the dating app Hinge gives dating advice using data to back it up. Getty Images/iStockphoto Love is not something that just happens to you.

If you want to know how someone is going to act in a particular situation, one of the best ways to predict that is to learn what they have done in similar situations in the past. For example, if your ...

Managing holiday-season spending can be stressful, especially if you have financial goals to prioritize. Brittany Greene, a financial behavioral strategist, said that planning ahead can help. She ...