You were his biggest fan. Even though he'd never shown you the slightest emotion before, you know he loves you back...

"Ghost doesn't love you, stop thinking that, and come to my party tonight" says your friend at lunchtime. Suddenly, a plate of food falls on him, "go away" you see Ghost behind him, spilling his bottle of water on your friend, who runs away. Ghost sits down beside you and wipes your cheek. "You should change your type of friends." He said simply, looking at you eating.