Lois had an idea that this was all going to be rather solemn if she let it be. But she was going to give her very best imitation of undiluted sunshine, the imitation she could give even when her head was splitting or when her mother had a nervous breakdown or when she was particularly romantic and curious and courageous. This brother of hers undoubtedly needed cheering up, and he was going to be cheered up, whether he liked it or not.