You made the grandma mad and maybe even your boss, but you likely showed that young man the kindness, respect, and autonomy that he doesn't receive at home. Human kindness is the greatest gift you can give.
Madness string 101901
The biggest question is not 'how do you make the squirrels angry?'. If you've ever stuffed a live squirrel ass-first down a gunbarrel with a ramrod, you know the answer to that question.