My two love the cold weather and they especially love to run in the snow. I hope your little guy will like winter weather too. You are very fortunate to have a housebroken pup at 8 months old. I think mine were around 13 or 14months when they finally figured out that they were supposed to 'go' outside. lol Welcome to Yorkietalk. Good to have you here. Stick around and you will learn all you ever wanted to know about Yorkies!
