It's bad to lie to family.
Jack recently lost his job and his father asks him to pay the electricity bill.
Jack wants to get financial help.
Jack tells his father that he lost his job, so he is unable to pay the bill and needs financial help.
Jack makes up a story that he has lost money in his stock and and asks his father if he can pay the bill for him.
His father is empathetic about Jack's situation and agrees to pay the bill on his behalf.
His father gets angry at his stupid financial management and refuses to help him.