...romance?

Hollywood lives off it, every girl dreams about it, some men possibly find themselves afflicted, but is romance really something people have in their lives? We've been living through the age of enlightenment, the age of reason and logic for the past couple hundred years now - are we preparing to go back to choosing our lifepartners with no concern for our feelings? What I'm wondering is, what is peoples' motivation when entering a relationship nowadays?
When you arrange a marriage, you can be fairly certain that factors like economic resources, level of education, religious background and other relationship-endangering issues that would usually come up only after a certain amount of time, possibly when it's too late, have been taken into consideration. So what's wrong with thinking things through and enabling as much as possible the smooth-sailing into the sunset for two people? What's marriage if not the guarantee of companionship into old age, anyway? The good-on-paper guys and girls have a level of security going in their favour, don't they? Everyone knows the sex eventually goes away, so what's left is someone who you want to talk to and discuss your hopes and fears with before you go to sleep, right? If you're really lucky both partners remain independent, have a life of their own, and feel fulfilled. All we need is to like and respect ourselves as well as eachother, and less of this "you completed me when you said hello" rubbish.
So why am I still hoping for the occasional thoughtful, loving, caring, romantic gesture? And shouldn't it count when he brings me tea to bed, where I lie devouring yet another novel (set in the english countryside)? I know it's completely unrealistic to expect thoughtful, loving, caring, romantic gestures on a daily basis, so if anyone has a tip on how to de-romanticise my neurons, I'm looking forward to comments.