`` she was born in mourning colors , of course she is unlucky , '' liu bao said , when he was cautiously applied to for information , as if this were self-evident , and he added , `` the qianlong emperor was going to give her to a prince out in mongolia , so her bad luck would n't hurt any of his sons , but yongxing insisted on having her himself instead of letting a celestial go outside the imperial family .