Okay you've created your character, you know who she is, and where she came from. You know the storyteller's setting and who all the major players are. So whats your character's first goal?
“I start plotting to kill the Prince!”
Wait...why? The game hasn't started yet and you have no reasons to dislike the Prince other than the fact that he is the Prince.
“but..isn't that what you do?”
Have you ever been snowed in, rained out, or otherwise have had plans disrupted by nature. Did that disruption lead to the creation of fond memories that while unexpected are appreciated nonetheless?
Larping can be a great time and one of the most rewarding experiences a gamer can have. Sometimes though it can be a challenge to get into a game and with a large group of people things can slip and you'll find groups of players turning your well intentioned game into just another social gathering.