Your dog can smell your feelings.
Your pup can pick up on subtle changes in your scent, which can help him figure out how you are feeling — such as by smelling your perspiration when you become nervous or fearful. It's also likely how dogs can detect certain diseases or know that a household member is pregnant.

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RandomThis book is for the lovely dog lovers and for People who want to read some Facts about dogs. ! I Found these Facts on the internet so if one is not right, comment and I Will change it!