I have been arguing this with my Friends... Imagine ur mum left ur dad when u were just 8months old cos he had no money. Your dad remarried a lady cos he needed someone who will take care of u, so when u grew up due to the financial state of the house, ur step mum sold her wrappers so dat she could sponsor your education. And luckily u graduated as a medical doctor, owned ur hospital. one day due to your good treatments ur hospital have been crowded with patients, all the sick bed has been occupied by people leaving only a single bed. And an emergency occurred due to an accident which ur real mum and ur step mum was involved and both was brought to ur hospital who will u admit? UR biological mum OR ur step mum.