Though the Green Knight describes his challenge before Arthur's court as ‘a Crystemas gomen’ (283), and though some scholars have responded to this and other references in the poem and treated it as an entertainment or as essentially about games, most modern studies of Sir Gawain and the Green Knight concentrate on the difficult questions of moral behaviour which the poem raises. Though it is certainly full of violent movement and physical action, though it sets forth a world of arresting concrete specificity and colourful variety, the poem's most crucial moment (if it can be said to have one) occurs in the early morning quiet of the hero's bed-chamber when Gawain accepts the green girdle and agrees to ‘lelly layne’ (1863) it from Bertilak. It is a point at which the hero makes a clear moral decision to drop his skilful verbal defence against the Lady's propositions and to allow himself to be acted upon: ‘he Jmlged with hir ‘repe …] ooled hir to speke … he granted … hym gafe with a goud wylle …] oe leude hym acordez’ (1859-63). Most scholars agree with Gawain's own subsequent judgment that his moral behaviour was, to a greater or lesser degree, ‘fawty and falce’ (2382); but how his moral faultiness is to be measured and assessed, and how in conceptual terms it is to be analysed and described, are more difficult questions.