My Pet Sitter is a Futanari

Complaints from the neighbors has forced you to get a Pet Sitter to look after your dog while you're out for long periods of time.
The Pet Sitter is practically a dog whisperer and knows everything there is to know about the psychology of the canine variety.
She adores your four-legged friend and also seems to have taken a liking to you.

Can your Pet Sitter teach an old dog new tricks?