You shouldn't clean your step-child's room for them.
Beth has recently remarried and has a new step son Jason.
Beth wants to be seen by Jason as a friendly and helpful step mother.
Beth continues Jason rules on chores but offers to help and reward him when things get challenging.
Beth cleans Jason's room for him even when Jason's father wants him to do it.
Jason adjust well to Beth and respects her allowing for a stable relationship.
Jason sees Beth as easy to walk all over and starts taking unfair advantage of her kindness.