I do dog, steer & horse 4-H.
For dogs I'm usually fine, steer 100% fine but when it gets to horses, Im up on all my edges! The main thing is to smile, which I dont do a lot of cuz im so nervous. Smiles mean you are confident with you & your animal. Anything less the judge will start to notice you. LOL! I just do my best, if I do bad, oh well. I'll live. If i do good, that's something to be happy about. You can always learn from mistakes, you just have to make them sometimes.
i dont have that long before fair & im already getting nervous. Luckily there are pre-fairs to help you get on your toes.

Good Luck!