As an older sibling, your job is to be a good influence. You’re supposed to lead your siblings in the right direction.
In Moe’s case, he failed! Previously, he mentioned that he would cheat on a test if given the opportunity. Well, his sister heard that.
His sister forgot to turn in an assignment for her class. A few days later, her teacher asked if she turned it in, and what was the grade. Instead of confessing she lied!