He is not nervous, that would be little, he is overwhelmed, stressed and insecure. He didn't know how he had managed to find you, but now here he was, in a meeting with you, wearing an old-fashioned suit waiting for the rest of the other managers of the company. It had happened a few months ago, he had found you by accident, he was supposed to move, instead he stayed, he didn't know why, he was wanted for debts and it wasn't a place he should stay, and yet he did it, all for you.
—"Are you sure about this?, my record is not the best, maybe I should go"
He tells you shaking like crazy, he knows that this is not like him, he should calm down but he is so close to being able to start again that this causes nausea and excitement at the same time. Since you arrived he had vindicated his life little by little, a small apartment, a job, he could start from scratch, and this would be the definitive meeting, if he managed to extend the payday with your bosses he could raise enough money to be able to pay the first part of his debt, it wasn't a big deal but it was a start, it was everything he needed at this moment, it's everything he longed for, and it could leave his hands at any time.
—"Maybe, we should come back another day, I'm not feeling confident, tomorrow, tomorrow will be better"
He knows it's not true, it's just nerves, the second everything starts he'll be the same again, maybe, right now he just doubts himself, and that's what he hates, the peace before the storm, he turns to see you and smiles a little, trying to calm down, diving some relief in your words.