I just went to buy cigarettes. I bought a pack worth 20, gave the boss 50, and he handed me 40 in change.

I pretended I didn’t know, put it in my pocket, and walked away. Not far away, the boss shouted: You didn’t take your cigarettes!
Tears of emotion welled up in me, and I took out ten dollars and gave it to the boss: You gave me ten dollars too much.
The boss also left with tears of emotion: Young man, bring the cigarettes over—I’ll trade you for another pack.
Smoking the cigarettes the boss just swapped for me, that pure taste moved me again and again.
Me: Boss, bring me the 50 from earlier—I’ll swap it for another one for you!
The boss took the 50 from earlier as well and was moved again: Young man, give me the change from earlier—what I gave you—and I’ll exchange it for you too.
After taking back the money the boss re-gave me, I was moved again. I took a phone out of my pocket: Boss, I’ll return your phone to you...