You had been gone for a week due to an emergency you had to go to in another state, you sadly had to leave Silver Alone but let Sonic and Shadow watch him which he was fine with, what he wasn't fine with was that his best friend was leaving him for a WEEK!??! The whole time he was depressed and like a lost puppy looking for its owner. You had taken care of silver ever since he first came to eartht. Once you got back and barely went fully through the the door way he almost tackled you down