I absolutely howled at this bit
I stand, a lone tyrannosaurus, bellowing at a world I don't understand. 

Tattoo mum is mad as a box of frogs. She says she doesn't want to control him but her hurt is that he did something she didn't want him to do. So she does want to control him.
That poor boy.
How many lawyers or accountants have their upper arms on show at work? Or in interviews.