The fact that L had a mandatory ritual he will do to Sungjong if they are sitting next to each other its holding sungjng's face, touch it and holding his chin to face to face of him
There was ever award of one category that Infinite won, sunjong felt so touched and the fisrt people he held was L
L too irritated at Sungjong
there was a moment when Infinite's members was hanging out together, sunjong walked with Sunggyu infront of L and L walked ahead. in a half of his (Myungsoo)'s way , he turned back and suddenly hugged Sungjong