Hakyeon is his leader; kind, caring, giving love freely and not expecting the same kind of love back, no matter how much it must hurt him.

Sanghyuk wants to give him that; love him like he deserves and spoil him because he's so in love, he doesn't know what to do with himself.

But Sanghyuk also knows that Hakyeon wants the love of a particular person, and that person isn't him.