He knew she was only pretending, though, for she hadn't hopped more than the length of a grass-blade. So he followed her and kept on singing. Because she knew that she must say something, she just opened her mouth and sang the first words that she could think of; and what she sang was, "Eggs! Eggs! Eggs! Eggs! Eggs! Eggs! Eggs! Eggs!" As it happened, this was exactly what she should have sung, so he knew that she liked him. They stayed together for a long, long time, and he sang a great deal and very loudly, and she sang a little and very softly.