All the verbal storms of confessional poetry that the poets and readers have gone through in the last years did not achieve anything for the poet—the poet’s shadow is still miles away after the confessional book is written.
Bly argues that confessional poetry, exemplified by Plath, Sexton, and Berryman, fails to integrate the shadow and thus cannot produce the genuine self-transformation Rilke’s injunction demands.
, A Little Book on the Human Shadow, 1988thesis