This Nicholas gan mercy for to crye,
And spak so faire, and profred him so faste,
That she hir love hym graunted atte laste,
And swoor hir ooth, by Seint Thomas of Kent,
That she wol been at his comandement.

– Geoffrey Chaucer

The Canterbury Tales, The Miller’s Tale. Alison gives into the pleading Nicholas’s demands for sex. She even swears an oath by Saint Thomas of Kent that she will cheat on her husband and be at Nicholas’s commandment.