We only have so much conscious focus our brains can commit to. If you are doing a single task you could argue that it has 100% of your attention. But nobody does a single task and nobody commits 100%.
Horses don’t care about being straight and balanced. No horse spends time worrying about how it could be straighter and move with more balance. They don’t even know they are crooked and there is a better way.
For the sake of your horse and yourself, always remember to make what are the really important reasons for choosing a trainer or teacher as the primary factors, and don’t be overly swayed by the others.
