Why did he do such things? To understand society better and bring more joy to players.
He actually understood what it meant to be clumsy.
Unable to endure hardship, fearing dirt and fatigue, over time, one would seem clumsy.
How could one become more agile? By doing the opposite, enduring hardship, not fearing dirt or fatigue, and with a bit of exercise, one would appear more nimble.
Ma Lin restricted his abilities, making himself appear like a completely inept homebody. The boss, the boss's wife, and some customers all laughed at him, but everyone rather liked him because he had a good attitude that made people feel comfortable.
He put quite a bit of effort into his apparel and personal grooming, giving a very clean impression. Just pay attention to your attitude, and the atmosphere in the restaurant would be very good.
What if he encountered difficult customers?
Be as patient as possible.