He stood and told her," I'll check on you here often. Tell Mama Nell I have left." Broderick left cause he felt burdened of the promise he made in the past that had now come to hunt him. 

Once Broderick walked away, Theresa quickly sped away from the living room to Nell's room, "Mother, he said cupcake and I don't know what to reply with, I'm afraid he might be suspicious." 

"You idiot, did you not study the entire diary I gave you?"Nell rebuked. 

Theresa-