It’s not as though the idea of love existed eternally, and then God came across it at some point and learned to love. No, love has its definition and existence in God. Love exists, because God exists.
If we are to pursue wisdom, we cannot just pursue the right answer. And we also shouldn't moralistically attempt to gain better character, as an end in itself. But we are called to come to the One who is wisdom, and to know Him and to learn from him.