Separation anxiety is due to excessive dependence on the master, who is often unable to accompany him. Loneliness and insecurity are serious problems in dogs with separation anxiety disorder, and smaller activity space will make them feel safe enough. One or several toys he likes can reduce his loneliness. Prepare enough water and food for him. It's best to hang the kettle, or he will easily catch a cold if he knocks it over and wets his coat and skin. At the beginning, it is also best to use a dog cage with two floors at the bottom. I'm not used to controlling bb at first, so I won't get stuck in my coat. But this problem will improve after a while, because dogs don't defecate in their own nests.
Also pay attention to the following points and try to keep the habit of walking the dog in the morning and evening (one week after its last vaccination). Take it home after bb is finished, and praise it gently. This helps him to form very good habits.