[Maximo]

Some Yorkies are really high energy. Puppies tend to be very active.

For biting, there are many methods you can use to train him to stop. You can put a toy in front of him so that he aims for the toy. You can yip like a hurt dog when he bites you. If he is going for your hands, take your hands away. Fold your arms across your chest where he can't reach. Say "no bite'.

When Max was a puppy, he liked to nip at my toes when we got out of bed. He slept in his xpen at the time. If he wouldn't stop nipping, I put him back in his xpen while I brushed my teeth. He learned that if he wanted his freedom in the morning, he had to stop nipping.

When we played and he wouldn't stop biting (wouldn't respond to the other methods of discouraging it), then I would get up and walk away. Play time was over.

The teething stage can be challenging. Make sure he has appropriate things to chew on.