This classic chalice/faces picture can be viewed in more than one way and our brains happily jump between these different views, trying one and then switching to another. But experiments show that if we are rewarded for seeing the picture one way rather than the other - rewarded with a jellybean, a dollar bill, or a friendly pat on the back - our brains begin to hold on to the rewarding view, and the picture stops changing. The lesson here is that things can be viewed in many ways, but human brains like the most rewarding view and thus they search for and hold on to that view whenever they can.
If this is possible with this picture, then it is also true of other things: BJJ, martial arts, marriage, business, etc.
If, in training, we are rewarded for trying one technique over another, or rewarded for thinking about something in one way over another, then we tend to begin to ‘lock in’ that particular viewpoint. It’s often all a matter of persective.