Some good friends of mine are celebrating their one week anniversary today. Weddings, vows, commitments. They’ve got me thinking. The goofy-in-love-we-can-do-no-wrong-our-love-is-pure feelings will fade. They have to. Though I am not married, I can imagine that there has to be a moment when you’re brushing your teeth and your spouse is (noisily) sitting on the…