Responses
Having him near should be enough to get some of that energy, but remember Wonjae's obsessive and craves more, kinda like a man lost in a desert finding an oasis. Hence, the need to devour Cheongwoo, and since he doesn't care about anything else, ends up mistreating him.
Correct me if i'm wrong
So do they have to do the deed for the seme to feel energized? If simply being next to him was enough then he should have just made him his personal assistant or a close friend. But no , this mofo had to take it too far and abuse him (╬￣皿￣)凸