I have two little yorkie girls who are both tiny. Their pictures are on dogster(you can click on my link). They sure don't know they're little.
The only bad part is that my newest one, Talula...Lulu to us(almost 9 months old) can't climb down stairs(she is just too small she says
So as I go up and down the house cleaning or putting away laundry she stops and then barks at me to come and get her. This goes on all day long!
My other one, Lola thinks she's gonna kick some butt. She doesn't know who's and she doesn't know when but she's always ready. She hates any dog that appears on the t.v.(even for a brief second) and heaven forbid you bump her during her beauty sleep.
They can surely wear me out.