" Sometimes Marisa pretended she needed the toilet when she didn’t. But she didn’t feel guilty about it: the secret of strength wasn’t perseverance, it was pacing. You had to know your limits and you had to respect them. She didn’t ask her body to go beyond what it could do, why should she treat her mind with less respect? "

― N.J. Lysk , Betas Aside (The Stars of the Pack #5)