It (this custom) is well known and there is no doubt that it is also known to you. O the proper excellent man, therefore, it is not proper for you to say "Bestow your sister.”
व्यक्तं तद् भवतश्चापि विदितं नात्र संशयः। न च युक्तं तथा वक्तुं भवान् देहीति सत्तम॥