H.S.M.

In “Genius at Play,” Siobhan Roberts, the author of a biography of the geometer H.S.M.

This is a common theme among H.S.M. participants: many of them make better dating choices.

H.S.M. operates within the same landscape as “dry month” campaigns like Drynuary and Janopause.

She received in-person support from A.A., and online support from H.S.M.

“H.S.M.’s power lies in its push to investigate the underlying reasons for alcohol dependence,” she says.