person A: I was walking down the street and I found a 20$ bill! I was so happy
person B: Did you try to find who the $20 belonged to? 
person A: It was just sitting in the grass_comma_ what am I supposed to do?
person B: I would feel guilty keeping money that I did not earn or that was not mine. Maybe you could give the $20 to charity?
person A: I need that money at the moment_comma_ plus I donate on the regular