You shouldn't be mean to your step-sibling.
Sandy walks out of the room after arguing with her mother, and she spots her sister Jessie spill water on her textbook.
Sandy wants to vent her frustrations.
Sandy rants about her feelings in a group chatroom.
Sandy makes a remark about Jessie's clumsiness and knocks the cup out of Jessie's hands.
Sandy gains comfort for being around people who support her.
Sandy gets in trouble with her mother after Jessie starts crying.