How can I survive "hell week" in fraternity in college?

So I'm going to be pledging a fraternity in college and I know that they haze for sure but of course to stay out of trouble they all say that they are "non hazing" yeah bs to that lol. So during last few weeks of school comes hell week and I heard they will keep us locked up at the house with limited food and water and make us clean and do crazy stuff. It makes me kinda nervous. They will know our schedule so they will abduct us after class every day. Anything I can do to get ready for it?
How can I survive "hell week" in fraternity in college?
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