Love seeks one thing only the good of the one loved. It leaves all the other secondary effects to take care of themselves. Love, therefore, is its own reward.
The signs of outstanding leadership appear primarily among the followers. Are the followers reaching their potential? Are they learning? Serving? Do they achieve the required results? Do they change with grace? Manage conflict?
To fall in love is easy, even to remain in it is not difficult; our human loneliness is cause enough. But it is a hard quest worth making to find a comrade through whose steady presence one becomes steadily the person one desires to be.
A leader is someone who steps back from the entire system and tries to build a more collaborative, more innovative system that will work over the long term.