Just watch this video it will help https://www.khanacademy.org/math/algebra/introduction-to-algebra/alg1-manipulating-expressions/v/combining-like-terms-and-the-distributive-property
Lines 20-27
She questions her husband's manliness and says he can't have it if hes not willing to man up and slay Duncan.
Answer: so the readers can enjoy reading the book
Explanation: