we have a 9 week old boxer named Max. Today was the first day we left him outside all day by himself. We had a pen in the house but he howled and tore it up. we decided it wasn't big enough to be in all day and we had no other choice but to leave him out because he chews on everything if we leave him in the house all alone. He had water and food and his doghouse. we also have alot of trees and bushes for shade. everyday when i come home he's full of energy and wants to play. Today being the first day he stayed out all day, i come home let him in, and he runs and lays by the fireplace. he has no intrest in me or any toys. I noticed he didn't drink any water or eat and it's been 4 hours now and he still hasen't eaten or drank any water. I noticed when i first walked in he was pacing back and forth. If anyone has any suggestions on what could be wrong, it would be greatly appreciated. We're thinking he might have gotton dehydrated due to the heat and him not drinking anything.