Ahhh, sweet Valentines! The popping of corks and the popping of “The Question.” Love is in the air. Yes indeed, falling in love is as easy as falling off a log — and so much more fun. But wait. If falling in love is so easy, and getting married is not too difficult, why is it so difficult to be happily married? Why do 50 percent of first marriages and over 60 percent of second marriages end in divorce? After all, being married isn’t rocket science, is it? Actually, yes, staying happily married, really does approach or exceed the complexity …