its like getting a sun tan - too much too soon and you might get burnt
my mate had a hire bike at brands and overtook me on a corner, his £500 deposit was lost as the bike slid down the track. I didnt mind spending £500 on new farings for my bike if i fell, but glad i didnt
you know your limits, enjoy the day, watch the others getting to close and let them pass, i doubt there is a medal at the end of day, but to walk away with a smile will make it a worthwhile day