Because Isabelle was out of commission for a while, several pilots are already waiting for her when she returns to Madame Babineau's cottage. Madame Babineau gives Isabelle and Gaëtan the same advice that others have given them before: love can cause more harm than good during wartime. Most likely, Gaëtan knew that he would be leaving to join the militant group, which is why he was hesitant to act on his feelings for Isabelle.