Whitewashed Walls That Listen

Intro

He cleared his throat and dragged a metal chair into the centre of the room, it echoed off the old whitewashed walls and tickled his ear.
Looking around briefly he paced himself eagerly towards the register that lay on the table top, while voices traveled through the halls of the building, he sat on a chair amongst the circled others.

"G'damnit, always the Milkybar and the 'Strawberry' damn-milkshake!" She cried out in the hall, slamming a warm palm against the cold vending machine glass; leaving behind a vapour mark.
Another teen standing nearby chuckled but was met with a foul gaze which simmered the humorous energy instantly.
The sound of spare change jingled about inside the machine, landed at the coin slot, and along with an aggressive last execution, the change was taken.

"You're all here today to..."
"Speak, or listen to stories, you should-" Clearing his throat quickly.
"-Sorry, you should have 'something' by the fourth week to bring to the group, we want to get to know each one of you's, find-out what the issues are and possibly find an outcome that, could, somehow, possibly, maybe, cure?"
The rooms energy shifted, every teen after the other becoming less persistent in staying still, clearly, he'd lost their interest.

"You know, none of us are ever going to get 'better' it's all-" Dave spoke out and was quickly interrupted by the tutor.
"-Ney! I won't have any of that!" Adding "You're all, going to get to 'express' yourselves and help each other out, maybe you should see that... you're each others support mechanism in a way! Your health may depend each other from here forth!"

"Look, if my life or anyones else's health is in Dave's hand, we'll all get crushed" An unannounced female taunted.
"I'm not even that fat, I just have a bad sleeping pattern at the-" Dave tried but was once again interrupted "Moving on swiftly, just be quiet and we'll do introductions?"

At which point the bell rang off and the students raced out of the hall, all except one...