Enrichment!!! On days we go to work, we only feed Chester right before we leave. We’ve gotten rid of his food bowl and replaced it with puzzle feeders. This has been a game changer for my separation anxiety prone dog. We change it up every day. Sometimes we hide kibble around the apartment. We freeze wet food (or peanut butter / meat broth) in a kong for Chester to work on. And we have several toys (like balls and wheels) that we fill with small amounts of kibble in each so Chester has several puzzles to work on. He also has a bone always. I’ve found this calms him and he isn’t so anxious when we leave because he knows us leaving = food to find. Good luck!