You shouldn't shove around your pet.
Tony's dog gets on the couch where is not allowed and won't get off.
Tony wants to get his dog off the couch.
Tony takes the time to train his dog not to go on the couch using positive re-enforcement.
Tony pushes his dog forcefully off the couch onto the floor.
Tony's dog learns the lesson that he is not allowed on the couch.
Tony's dog is scared by Tony and doesn't properly learn not to go on the couch.