Hi. It sounds as if your pooch is suffering from separation anxiety which is one of the hardest behaviour problems to sort out and it is a slow process. Firstly I always recommend having more than one pooch as dogs are pack animals and get lonely when the rest of the pack are out. In order to sort out the separation anxiety you need to firstly make your comings and goings as boring as possible. When you leave give him a yummy bone to chew on and leave without going through any goodbyes. When you get home completely ignore him until he is calm, take the bone away and only when he is calm give him a calm hello. Try to do this a few times a day, starting with a short period of time with you gone to a longer period. Try to take him for a walk before you go out to tire him out. Give him a couple of rescue tablets when you leave. Maybe even give him a sandpit area which he can use to dig in. Fill with some white builders sand and bury a yummy bone in it. Praise him when he is digging in the correct area and NEVER shout or smack him for digging. All that your dog will remember is that when you come home he gets into trouble and not that he has been digging. As much as it may upset you completely ignore his destructive behaviour. And get him a nice friend.
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