You need to read this remembering that Haydens cognative age is 2 - 3 years old even though he is 9 years old.
Me What are you doing Hayden?
Me You need to turn the hammer around Hayden
Hayden No I can't I am 4 (years old)
Me Can I help you Hayden
Hayden ...continues hammering away.
Me ouch (as he hammers my fingers)