I often find most married and committed couples dont know the first thing about what love is. When you get affection inreturn, perhaps even build eachother up its easy to mistake that for love. It may be healthy and good and enriching, but love is much more than that. True and proper love exists not for what you get in return, to love is all love wants, not to be loved in return, that is just infatuation.
@freemo that is why my terrible dating website suggests having a baby during that infatuation period. If you're unhappy with it you can always sell it organs!