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  She could just be going through a phase.  Maybe she's become confused for some reason.  OR --you know, she IS a yorkie, is there any chance she could be wanting to get your attention.  If she rings the bell, she knows you'll come.   When I'm cuddling with one of my boys in the chair, the other will go to the window and bark like someone's there, He knows his brother will get out of my lap and go over to the window to see what's going on.  He then promtly comes over to take his brother's place in my lap.  Sneaky, but it works every time!!!  Good Luck, be consistent. Don't give up on her.  
				__________________~Paula~ proud mommy of ~Otis
  (yorkie) & Oliver  (shih-poo) |