Thinking about when you were dating should bring a smile to your face. You were young (at least younger than you are now). You had fewer pressures in your life and you could focus more time on the one you loved. If there were other important things going on, they only seemed to get in the way of your dating relationship.
Now, a few (or several) years later, it seems that everything is turned around. You have more pressures with work, hobbies, social activities and less time to spend with your spouse. Your marriage seems like it gets in the way of everything else you have to, or want to do.