I'm a Good Guy!

There was a man who was born before his father, killed his mother, and married his sister. Yet, there was nothing wrong with what he had done. Why?

Answer: ˙ʎuoɯǝɹǝɔ ɹǝɥ ʇɐ ɹǝʇsıs sıɥ pǝıɹɹɐɯ puɐ ɹǝʇsıuıɯ ɐ ǝq oʇ dn ʍǝɹƃ ǝɥ 'ʎllɐuıɟ ˙ɯıɥ oʇ ɥʇɹıq ƃuıʌıƃ ǝlıɥʍ pǝıp ɹǝɥʇoɯ sıɥ ˙ɯıɥ ǝɹoɟǝq uɹoq sɐʍ ǝɥ ǝɹoɟǝɹǝɥʇ 'uɹoq sɐʍ ǝɥ uǝɥʍ ɯıɥ ɟo ʇuoɹɟ uı sɐʍ ɹǝɥʇɐɟ sıɥ