Simply because that came from this,this can't stay as that. That is that.This is this. Maths doesn't accept that is identically equal to this even though that and this are same. Women must know that even though women and men are same,men should not stay as women.

ఆడ నుండి మగ వచ్చింది .
అంత మాత్రాన మగ అనేది ఆడ కాదు కదా !