Yes, the Great Mother sometimes appeared unsure, probably in part because of the reasons that the Reverend Mother had described. And Purity would be overjoyed to see her people's Goddess paired up with a handsome stallion who could live up to the very high standards expected of him. The Royal Engineer might just fit that bill, and personally, she did not see anything wrong with the Great Mother pairing up with any creature at all, provided they were worthy.