I am very streesed out today, Cooper is an amazing chihuahaua. He is 5 months and never ever had an accident in the house. He can do tricks and is affectionate. But he is shy, he barks at new people and is very afraid to approach new people. He just runs away. Me and my husband have a very social lifesyle and have people over all the time, My husband says we have to do something, so we are taking him to sosilazation classes. If nothing changes I don't know what Im going to do, Im so upset.