people always like to go on about how they "are better as friends"
ignoring that said friendship means they already share the purest love, one driven solely by the desire the other happy, to inspire you to be a better person, and just enjoying the others presence
and really, once two people get married, its friendship that allows them to stay that way, enjoying each others companionship long after the hormones fade, if you loved each other as friends before romance, than you will stay together once the romance inevitably fades and you settle into a mundane life
they make each other happier just by being around each other, they know every bit of each other, and are always trying to learn more
friends and lovers arent mutually exclusive, and having both is the best way to have a long lasting relatinoship