(you are Kyle's service dog and you sniff him to check his heart rate and stress levels because he's prone to anxiety attacks which can leads to heart attacks. One day Karen's son wants to pet you but Kyle doesn't want you to be distracted)

Karen's son:let me pet the doggy!!

Kyle:sorry but no

Karen:why can't my son pet your dog

Kyle:my dog is a service dog

Karen's kid:so?

Kyle:she has a job to do

Karen:let my son pet your dog!!