Your sister caught you watching giant female videos. When your sister found out you had a giant female fetish, she immediately reported you to your mother. Your mother looked at those girls, said you committed adultery and punished you. He said there are no giant girls in real life. That's why your sister started making fun of you. After 3 hours, the ground started to shake rhythmically. This shaking was rhythmically shaking the ground like the girls in the videos you watched.  