Chris, I don't know if this will help...I don't know dogs very well, and I guess some are 'just like this'. But I have heard sometimes animals will eat weird things if some little thing is missing in their diet. Could be a vitamin or some small thing.

Also - don't know if you are keen on psychics - but Nancy Efrusy is in the USA, and can tell you if there is something Bob is trying to 'say'. She's done great work for some PT folks here.

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Hugs to Bob! He looks so sweet!