Risks of the Job
Being a pizza delivery person has to be one of the riskiest jobs ever. Not only do you have to worry about people who will stick you up for the large cheese pizza you’re packing, but you also have to watch your back for Boston Terriers that will come chasing you down the road.
The OP was nearly mauled by a group of Boston Terriers, so they had to go to the hospital to get their wounds checked. The employer didn’t like that one bit, so they told the OP not to bother coming back to work. Good thing they had another job lined up.