Open Question: Camping problems; help?

Okay so im going camping in a field with 2 of my best friends this weekend, we re sleeping in a tent and the field is in the middle of nowhere pretty much. But I have a few questions that I would like to know the answers to..
1. will the police come?
2. what do we do if the police do come?
3. (I know this one is pretty stupid but..) will anyone come in, in the middle of the night? And what will we do/ what will happen if they do?

Thank-you:) <3

Source:
http://answers.yahoo.com/question/index?qid=20110422021734AApWS8t

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