We fell for that one years ago. It was a "lab mix" that turned out to be equal catahoula and GSD and only 50% lab. He turned out to be a great dog, as long as he didn't get within 50 feet of people and other animals. He was territorial and protective and that turned into just wanting to maul anyone he didn't know. Weird, because he was totally loyal and sweet with us. Also the smartest dog I've met.
This puppy had no behavioral issues and was extremely friendly. We watched a bunch of youtube videos about how to temperament test. So far this puppy's only issue is it's too friendly. I think it will be OK.
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