How can the dichotomy between platonic love/romantic love be solved?

Suppose on Earth, there are no bad people. You could love (platonically, of course) all mankind. But if you love platonically all mankind you cannot dwell on specific relationship with all the people on earth (which are good), because simply these people are different from you. So, the dilemma: should we love platonically all humankind at expense of specific relationship with a person (friend, girlfriend, ecc.) or should we have relations with specific people without loving all humanity? Because having both is a contradiction. Up to you to decide