>> "If you beat a puppy, when he grows up he's either going to pee all over himself
every time you say boo, or he's going to be a pretty tough, surly dog," Rains said.  <<
>

from an article about a Texas-lawyer who had a demanding, abrasive father
rear him alone -  after his mother left and got a divorce.
<http://tinyurl.com/ykpyyrp>

it sounds like a good summary of the after-effects of punishing in youth,
which have a great influence on behavior in adulthood.
  ---  terry