It's one of those things...I'd LOVE to have a wonderful yacht but...
Also, if you some how obtain a Yorkie that is cute and cuddly and fits right in your cute little purse, will you still love it and keep it and take care of it if OR WHEN it grows larger than you expected? Yorkies are famous for outgrowing their expected weights. There are many on this website alone who are over 10 pounds, some over 20 pounds. So I ask you, what then?
Bringing home a pet is not to be taken lightly. It's HUGE responsibility, much like having a baby. Please rethink this, you're really not looking to get a puppy for any of the right reasons.