Hi I have a 10 month old shihtzu cross, he is very submissive and nervous with other dogs, when we first got him he would run and hide behind us if another dog approached him and do anything he could to avoid them. He is improving as he gets older and will now have a sniff and be sniffed by other dogs but won't play at all he has only ever played with one other puppy that was much smaller than him!! He is now 10 months as I said and my vet is saying it's time to neuter, I have always neutered my previous dogs because of the health benefits but they weren't so nervous!! I have done research and it seems to be a bad idea to neuter a anxious dog? He has come such a long way I don't want to turn him fearful!! Should I neuter or stick to my guns and say not yet? Or not ever?