person A: I stay home with my five year old son. Sometimes I hear things come out of his mouth that I know he learned from me.
person B: Hopefully the things coming out of his mouth are good things_comma_ right?
person A: I wish_comma_ he sometimes says curse words.
person B: Oh.  I recommend correcting that before it gets out of hand.  Good luck!
person A: Thanks! I was shocked that he picked up on that_comma_ my little playback machine!