What to do, help?

I live with a friend, he has a nice big house clean but he scares me and smokes weed, he doesn't seem to care about reputation. I have all the privacy here. And then another friend offeredme a room to rent. He said i can live with him and 5 others only the house is old and kinda nasty... i have to pay rent while the pther only expects me to pay groceries
What to do, help?
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