 the abandonment issues and the separation anxiety is try not to make a big deal out of leaving. Try just going out the front door, coming in the back door, going out the back door, coming in the front door. Go sit in your car for five minutes and then come back into the house. As long as the dog starts to understand that when you leave, you're always going to come back. It may not be for a short period. It may be for a longer period. If you build it up gradually and you build up that dog's self-esteem and that confidence, you'll start noticing that the dogs will be absolutely fine.