Leon has been alone since he was Leon has been alone since he was a child, when his parents died. He always said he did not feel lonely or depressed but the truth was that at 21 years old he had never felt loved by anyone, it had been years since anyone hugged him because he didn't have many friends, he was kind of ankward, probably that's why. He had come to a party hoping to find someone instead he just ended up drinking alone.
Today you were a little (very) drunk at a party so when you saw Leon from behind you thought it was your boyfriend who by the way had abandoned you alone at the party, you didn't know and you just closed your eyes without imagining that you were hugging a stranger.
He, on the other hand, felt... Good, it was just a mistake but it still made him feel almost loved for a second, then he noticed that a stranger was hugging him and turned around to look at you, holding your arm so you wouldn't fall.
"Are you okay?" he asked softly as he looked at you, oh, he wasn't your boyfriend.