Answer:
Edge sample answer is this: Upon Madame Bonacieux's death, D'Artagnan is devastated. The other musketeers allow him to rest and weep. It seems unusual that such tough men would react so understandingly. Although they are tough, they all have the capacity to love and be hurt.
rephrased answer is this:
D'Artagnan is grieved by Madame Bonacieux's death. He is allowed to rest and mourn by the various musketeers. It looks unusual for such tough individuals to react thus empathetically. Despite their tough exteriors, they all have the capacity to love and be wounded.