Meeting someone takes work, time, and commitment. It can also take money. Sometimes a lot. In Episode 7, Meredith Goldstein explores what we spend on dating and why. She talks to Lindsey Stanberry, of Refinery29’s “Money Diaries,” and tells the story of a woman who spent serious money on a professional matchmaker. Plus, Erin makes a cameo on The Science of Happiness podcast. Email us at loveletters@boston.com.