Answer:
A two-year old's obstinacy makes him inflexible when having a whim; even though he is persuaded, he will not change his mind.
Step-by-step explanation:
Obstinacy refers to a stubborn refusal to make someone's opinion or course of action different, regardless of efforts to convince someone to do so. As a consequence, a two-year old child will not be influenced if he or she has an unexpected or unusual desire or change of mind.