Eddy wants to garner respect from the other kids, so he lies about his brother returning to the cul-de-sac. In reality, most of the other kids are afraid of his brother, which Eddy doesn't seem to understand. Double D mentions that fear is not the same as respect.
Haley needs to bake cupcakes for a school fundraiser and wants her mother to bake them for her. She purposely misrepresents her baking abilities in order to convince her mother to take over the baking process. After her mother bakes the cupcakes, she throws them in the trash so that Haley has to bake them on her own. Haley's parents taste test her cupcakes, and although they claim the cupcakes are delicious, in reality they are unsavory.