Cancer Survivor, writing about Health and Fitness as you age

I have just been thinking about how my son speaks and what he says. He is 13 now and here is what I have discovered: 1. He does know some curse words, although he does not use them (at least in my hearing). I know this because he knows to switch the YouTube video he is watching when he hears one. 2. His language is tempered by having a younger sibling around (and he knows he will be in big trouble if he forgets that). 3. He gets more animated when he is around his friends and especially when he is gaming with them, and he uses a different vocabulary than regular speech (see #5). 4. I should not be annoyed if I am speaking to him and he shouts back "What?!!" The decibel level gets really, really high when he has his headset on AND he is gaming. 5. I am grateful that he uses expressions like, "What the fudge?",  "Crap" and "YOLO". Usually these are followed by the terms "Die!" or "Hackers!" or "Destroy" , bec