The pack should sleep together. Don't lock out your dog but give him his own spot in the bedroom. Perhaps his crate if he is trained for that. Besides, a dog can't help protect you if he is locked out of where ever you are.
Looks more like he was scratching himself on the roadside berm, slide partway down and was high centered on it. After struggling and sliding the rest of the way down, he was able to get up again and follow the herd.
SMH. People, people. Whenever you're in a place where you think the plumbing is dicey or you have a big load to drop, do this. Poop flush, paper flush. There's no rule that says you can only flush once. Divide that load into manageable portions.
Oh no! No no no! All fun and games until that filly is about 800 lbs. Try breaking her of all that "cute" stuff then. When she becomes dangerous to any human around her, someone will ship her off to the meat factory.