Today in the morning I let my cat out and I heard a loud mew a little later on. As if he got hurt or something. My dad let the cat in and he started mewing alot. I noticed that his tail wasn't up as usual. It bent down at around the halfway point. I touched his tail and he mewed louder. This is when I thought maybe he had a broken tail Is it ok to just wait it out to see what happens or should I take him to the vet? He looks like he could be in somesort of pain.. I don't know how he could have broken it though.. Maybe a car ran it over? I don't know. Anyone have some advise?