Do you have a best friend? Would it be weird to have them live with your family?

So my bestfriend needs a place to live and I want to offer her to live with me and my grandpa. He said it is okay as long as she can pay some rent or if she can't she would have to do like chores around the house for him. But I don't know if it would be weird for her I would love it!
Do you have a best friend? Would it be weird to have them live with your family?
Do you have a best friend? Would it be weird to have them live with your family?
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