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					Originally Posted by Jaspermom     Sully will never be overweight and will always be in great shape!!  Too cool!  He looks so serious about his workout!  
My husband worried about what happens if he stumbles or gets tired?  How can you tell if he is tuckered out?    |  
 
  My husband and I stand RIGHT there - my husband is just out of the video, right next to the treadmill - and in the video I took him off of his leash/harness for a few seconds, but usually I'm standing above him, holding his leash that way I can keep him safe, just in case. And, he doesn't go very far, we just go a little bit just for fun b/c he seems to like it, hehe!