Final answer:
When Marius goes to see Cosette at the Rue Plumet, their love for each other grows stronger.
Step-by-step explanation:
When Marius goes to see Cosette at the Rue Plumet, they both express their love for each other. Calixta, Marius' mother, is initially wary of their relationship but later approves of it. Alcée, Calixta's husband, helps Marius escape when he is in danger. Overall, this meeting strengthens the bond between Marius and Cosette.
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