The person you were last week is not the person you are today. Every second, we're changing, both in ways that are obvious to us and ways that we don't really understand. To worry about why your relationship looks different now than when you started dating is to disregard the fact that you both are bringing your own personal growth to your partnership, and if you're too busy longing for the early days of your relationship, you'll miss the beautiful moments that only happen after you've been with someone for an extended period of time.