Depressed Muffin →Septiplier

Lately, Jack has been acting a little weird in his videos. Of course, his fans and Mark noticed. Mark decided to call him, he asked how ge was doing.
"Just fine, broooooo."
Jack sounded drunk, Mark immediately visited him. Jack was currently staying in a nearby hotel for a project that he's doing with Mark and Felix. Mark had a spare card for Jack's hotel room, for emergencies. Jack just gave it to him. He found Jack lying on the bed, his clothes all wrinkled. He has 2 empty bottles of wine on the floor, he was drinking his third. Mark stopped him and talked to him, he asked why he was doing it. Jack answered,
"Fuck you, fuck me, fuck everybody and their life! Fuck themselves like a boss!"
He was too drunk, Mark made him fall asleep. He waited for him to wake up, but while waiting he fell asleep. He awoke, because of the sounds of Jack sobbing.
Why was he crying?

TRIGGER WARNING!
THIS BOOKS HAS CERTAIN SUBJECTS LIKE ATTEMPTS OF SUICIDE, CUTS, OVERDOSE, DEPRESSION, VIOLENCE AND BLOOD!