The random girl - we take good care of our mules and are sure not to push them to do more than they can. This is like anything else where you have to work up to the big obstacles.We would never put our mules health in jeopardy.
The random girl you can't make them you will do anything that it believes will hurt it. They believe, and they may be right, that they are smarter than we are. And we all know they're bigger than we are so... Answer to your question is never LOL happy trails