Tone Deaf

Lenny is off his schizophrenia medication again. Gutterball is threatened by Lenny's friend for making fun of him. JB once got a thirsty text from Lenny's mom (allegedly). Gutterball thought 2 of his siblings were his cousins until age 7. Lenny explains the mustard seed relevance in the bible. How did Helen Keller write a book?