Marco sat up a little straighter at the praise. Erran regularly told him that he was proud of him, but it was different when it was Oliver, even if Marco couldn't really understand why. Maybe it was just because the man wasn't a therapist.
He scooted forward until he was at the edge of his seat, then leaned forward and put his forehead on Oliver's shoulder, leaving it there for an awkward moment before he finally put his arms around Oliver's midsection, making it a strange, but heartfelt hug.