The male has been persuaded to assume a certain onerous and disagreeable role with the promise of rewards -- material and psychological. Women may in the first place even have put it into his head. BE A MAN! may have been, metaphorically, what Eve uttered at the critical moment in the garden of Eden.
The Essential Wyndham Lewis: An Introduction to His Work (ed. Andre Deutsch Limited, 1989) - ISBN: 9780233983769