As your son, who is a toddler and should NEVER be left alone with a large dog, grows the dog will be more interested in him because he's more fun.
Your dog is not being rude towards your toddler. He's just not interested because you are his person and you are fun.
It's MICHELLE, scarfish! My name is MICHELLE! Jax is my DOG!
~The strength of one's opinion should not exceed their knowledge on the matter~