Since he doesn’t make demands, she has learnt to read his desires by his actions. When he looks at the horizon with vacant eyes, he yearns for tea. If he is famished, his belly emits cub-like growls. If his forehead is wrinkled and he has a mild frown on his face, he is deep in thought. His head droops when he is tired. It tilts to one side when he is sleepy. If he sits or stands upright, his attention is on his surroundings, observing perhaps the call of a bird, a shift in the winds, or an increased smell of chlorophyll. A scientist studying the environment looks very much like an animal on
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