Of course not and you have done nothing wrong. In fact, I'm suprise by your friend's behaviour -- blame on you. But if that's what he want, so be it. I don't need friends like that.
i have a similar case of friend, but finally he borrow me fifteen hundred thousand dollar and run away. I know this friend from Form 1 to university. I think business & money will change people's mind, and he will think he is right. He will think why don't you share your money with him because you are so rich.