Meredith sits down with two smart people who have spent a lot of time studying relationships \u2013 how we make them, what we look for in other people, and the \u201crules\u201d that color these big decisions. Lamont White is a dating coach and matchmaker. Angela Bahns is a social psychologist whose work raises an important question: Is it actually true that opposites attract? Email us at loveletters@boston.com.