Can my boyfriend just kick me out if I have been living with him since July 4?

If you were not paying rent, or should have been but just didn't do it, or he did not make an oral agreement/contract with you as to how long you could stay there, yes he can kick you out. ?You were a friend with benefits who happened to live with him. That is why women must get more than "I love you" from their significant other. The guy can just drop you. You are entitled to a reasonable method to get your things back; if he unreasonably prevents you from getting them, you could sue him for conversion.