“The concern with sibling rivalry is when it turns into sibling abuse. The core root of sibling abuse is the intent to harm and control the other sibling. Instead of it being a periodic incident, the abuse becomes a repeated pattern. This could carry on for months, years, and even decades. Or it could last a lifetime.” Mental HealthBullyingNpdTrue Crime StoryCoercive ControlSibling AbuseToxic SiblingsIntent To HarmSadistic SiblingsFinancial Theft Book:Toxic Siblings: A Survival Guide to Rise Above Sibling Abuse & Heal Trauma Source: Toxic Siblings: A Survival Guide to Rise Above Sibling Abuse & Heal Trauma