Anglo-Saxon Riddle

"He stepped up, eager and agile, lifted his tunic With hard hands, thrust through her girdle Something stiff, worked on the standing one his will. Both swayed and shook, the young man hurried, was sometimes useful, Served well, but always tired sooner than she, weary of the work. Under her girdle began to grow a hero's reward for laying on dough."

What was the hero's reward?

1. A baby
2. Butter
3. Sexual release
4. None of these

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