This. x100
I am a competitor. I like to win. BUT - best way to do that is to keep a calm, cool and collected approach. It’s just another horse show. I’m not going to the Olympics. I’m not at the Olympics … with the gratitude mindset that my job, my career, my professional designations and thus my living is not - in any way shape or from - reliant on whether I get a 1, 8 or nothing in this class.
The benefits of being an amateur. 
With that mindset, when it stays as it should, I focus on doing the best training round for my horse. Yes, it’s a horse show … but I’m there to develop our skills as a team, our relationship and to have fun. So we may try the occasional inside turn as instructed by our coach, or a more direct line or whatever is suggested as being a stretch goal for us … but the main focus is forward, straight, calm cool and collected … because a smooth efficient round is a quality round - and quality rounds win!
And pardon side vent but oh my oh my … the galloping around like yahoos with the coach yelling to go faster really gets my gears … reckless. Dangerous. I wish stewards would go over and have a quiet word with some of these “instructors” to encourage better riding, quality riding - maybe moving to more optimum time classes when under 90 cm is the way to do it but a bit more (tactful) intervention would be appreciated.