I have a very sweet 14month old GSD pup. She is generally well behaved. Knows many commands and even will execute said commands from time to time. Just kidding she is pretty good with most of her commands. One thing that is driving me and my family nuts is that she is so flipping excited when we come home or a guest comes over that she jumps and spins and generally acts like she has never seen a person before. It is very annoying. I have gotten her to sit and wait til I give her attention when I let her out of her crate (mostly) However when it is time to put her collar on or if a guest comes over she can not contain her enthusiasm. Are there any suggestions for me to get her to chill the heck out?