Hello, I'm new to this group, I have a 7 month old puppy who has been trembling in his back legs, which is worse when he's exercising and has got worse in the past week. I took him to my vets this morning, but because of covid they wouldn't let me in with him, not even the waiting room, he is extremely nervous with people he doesn't know, when the vet brought him back to me she said that they couldn't weigh him because of his behaviour and his nerves and that they couldn't pr...