Noting in the poem where Lanval makes a promise to the fairy seen in "I admonish you now,/ I command and beg you,/ do not let any man know about this" (143-145), Lanval's trust to the fairy is exploited by Queen Guinevere when she gets upset, forcing the court and King Arthur to demand that Lanval "produce proof;/if his love would come forward,/ if what he said,/what upset the queen, is true" (451-454). ...