A few weekends ago, I watched the 2007 movie, “P.S. I Love You,” again. At one point in the movie, Holly has an argument with her husband, Gerry. Holly is a “planner” and she and her husband aren’t where she envisioned them to be. Their apartment is too small, they can’t decide when to have a baby, etc. At one point Holly says something like, “I’m waiting for my life to begin…” Sometimes I feel like Holly. When I was younger, I’d say, “When I finish college, I’ll fill in the blank.” Then it was “I don’t want to buy a house until I get married.” Lately, I’ve been thinking,…