You do it by not focusing on the perceived "shoulds" (according to who? The movies, storybooks?) and instead focusing on what IS good. When you have great news who do you want to tell first? Who do you share the bad stuff with? Do you hug each other just because you feel like it? Do you still laugh together?
Marriage is not an end in itself. It's a shared journey thru life. You share it with someone you enjoy, who makes the memories sweeter, who makes it matter all the more. Marriage isn't the 4th of July, it's every day. Only better.