1 "Example make of him, your hapless joy,

him > [the Redcross Knight] joy > [source or object of delight]

2 And of myself now mated, as you see;

mated > overcome, stupefied; also: mated as in chess [by the Faery Queen]

3 Whose prouder vaunt that proud avenging boy

prouder vaunt > too-proud boast that proud avenging boy > [Cupid]

4 Did soon pluck down, and curbed my liberty. 5 For on a day, pricked forth with jollity

pricked forth > spurred on, goaded jollity > pleasure, lust

6 Of looser life, and heat of hardiment,

looser > too-loose; the looser hardiment > hardihood, boldness