Assuming you are in complete control of another being, animal or human, is a false perception which can lead to errors in judgement and raises significant safety issues.
Firstly, we can only control another beings movements, not his mind. We may think we control his mind, when we exert our will over him and make him do what we want, but we cannot control his thoughts or emotions, which is of major importance when learning, and if we are to stay safe.
For example, you want your animal to learn to do as you ask. Humans tend to keep trying if something doesn't work, so from our point of view, this may mean one of the following things.
Continuing until you do get the result you were after.
Not worry about how you get that result, just that you get it; the end justifies the means.
You can easily see that from our perspective, being successful means you have achieved what you set out to do. But what about the animal you are teaching? Were they successful? If they did what you wanted, then yes, you could argue that they were also successful.
However, that is not necessarily the case. In order to be successful you have to see things from the animal's perspective, not yours. Have you left the animal better off than before you interacted with him? If you've continued a lesson far longer than was productive, so that you could finish on a high, you feel satisfied, and might sigh with relief that you have persevered and it was worth the effort. However, the animal may well have a different view. Is he likely to feel relief from finally doing what was asked? Or is he likely to feel relief for the fact that it has finished and there are no further demands on him?
Similarly, what will the animal take from a lesson that is conducted from the viewpoint of the end justifies the means? Again, you will feel relief that finally the animal has understood you and done what he was supposed to. And once again, the animal will feel relief that the interaction is over. By trying to make ourselves successful we have made the animal we are working with unsuccessful, as what he has learnt from engaging in the encounter is not a positive or rewarding experience.
Will he be willing to engage next time? Not likely, and certainly not with enthusiasm. He may also have learnt that avoidance or active defence is his best course of action to ensure he is not put in this situation again.
Coming back to the title of this piece – a matter of perspective – teach yourself to analyse everything you intend to do from the animal's perspective, and you will set yourself and him up for fun, engaging teaching sessions that result in success for both of you.