Humor - Laugh together, do not restrict communication to serious things and/or parenting...
Seduce each other, treat each other as man and woman (not mother and father of the kids)
Keep yourself interesting for your spouse, learn, grow, change... It's good for both.
Do not assume your spouse is the person you met years ago. He/she has for sure changed some (see point above), see the signs
Compassion
Share a dream/goal/vision
There is a book that says couples break up for various different reasons. But the intersting thing is that those that do stay happy together all have 7 common "habits", attitudes. When I read it, the only one me and H had was "independecy" to the max because we had already grown apart so it wasnt really what the book meant.
I talked about those with 2 couples, friends of mine that I consider truly happy. They agreed they had all those 7 things...
