Странные привычки лошади

Sometimes behavior is because the Horse has an issue, and sometimes its behavior of an issue that is not their anymore but the Horse learned to like the behavior. This Horse shows behavior of a possible stomach ache, making spit many teams means that the stomach hurts. Solutions are not to forbid the Horse to help himself, spit takes away the pain, so it would be very cruel to forbid the Horse to behave like this. All behavior that you don’t know has a reason, please be the one to help your Ho