Five weeks ago, I was preparing for trips to New Hope, PA in the fall and Mexico for Thanksgiving, when I received a wedding invitation in the mail. Our friends were getting married in London in December—just a month away. Having never been to the UK, I literally thought, “Is London calling?” I immediately sent a text to my husband who was in the throes of his own year-end business planning. You know you’ve met your ideal partner when you send a picture of a wedding invitation in another country at 3:35 p.m. and the response you receive at 3:44 p.m. is “Let’s go.” Lest you think this spontaneity is…