To follow all his movements and thoughts as well as she could with wistful secondariness

A sort of curtain, made of- mat, usually hung before them, which the natives were sometimes unwilling to remove ; and when they did consent to unveil them, they seemed to express themselves in a very mysterious manner.

He's a one-trick pony / One trick is all that horse can do / He does one trick only / It's the principal source of his revenue

Kyle slipped his hands into his pastel pink boardshort pockets.