1. Love as the Guide: The Arthurian romances, including Tristan and Iseult

Arthurian romances from 1150-1250 AD have two love forms: lust-zeal of the organs and agape- spiritual love. Christian of Troy writer of 'Tristan', 'Erec', 'Cliges', 'Lancelot', 'The Yuain' & 'Tristan and Iseult'.