Took the dogs to the off leash park last night to do a very informal lesson. It was hot, brought water, gave them some before we went. Brought the ball and the one 'student' threw it a few times, but nothing out of the norm for my guys. However I guess it was too much for Storee, who does not give in. The border collies found shade and chilled out as much as they needed to, but no, not the crazy golden. We did stop tossing the ball and the dogs all layed down in the shade while we chatted. When we went to leave Storee was having issues walking. So put her in the van, put some water on her and drove to the canal nearby and took her to cool off. By then she was much better but am keeping an eye on her for a few days, vet said to stop throwing the ball for the crazy dog.