Is it time to say goodby.?

I have a 16 year old silky. Since last Sunday Toby has hardly eaten anything. This is not uncommon for him, But when he has a piece of chicken or ham it just runs through him. He is very thin a the back end and looks thoroughly miserable. He has to be carried outside and is very wobbly on his legs. He is also... show more I have a 16 year old silky. Since last Sunday Toby has hardly eaten anything. This is not uncommon for him, But when he has a piece of chicken or ham it just runs through him. He is very thin a the back end and looks thoroughly miserable. He has to be carried outside and is very wobbly on his legs. He is also having accidents in the house. I`m thinking he is now confused and depressed. I don`t think he is in any great pain. Toby has been deaf and totally blind for the past 5 years. do you think he has had enough ?
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