Lily recalled Sandra's words about Caleb, emphasizing how once he formed an opinion, it was nearly impossible to sway him, even with drastic measures. This insight led Lily to believe that both women held a valid perspective regarding his stubbornness.
Caleb's unyielding nature was well-known, and Lily recognized him as one of the most obstinate individuals she had ever encountered. His determination made any attempt to change his mind seem futile.