Final answer:
In the context of the question, Eve's first experience with sorrow is because Adam is leaving her.
Step-by-step explanation:
In the context of the question, Eve's first experience with sorrow is because Adam is leaving her. This can be inferred from the passage: 'He wiped the drops from his forehead, and went into the room beyond, livid, trembling. A hope, trifling, perhaps, but very dear, had died just then out of the poor puddler's life, as he looked at the sleeping, innocent girl.'