next, me could alternatively have been my self.Again,however, it is emphasized: I bought it for me. The speaker was distinguished from the rest of the family, dog included. In the third example, me and I both have a similar prominence: I'd have held the gun at me. Here, too, the script could have read myself. One might speculate, however, that the actual 'me', at whom the gun would have been held, is subtly different from an imaginary 'I' who would be in the other character's shoes.