distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

其の癖: nonetheless, and yet

癖に: and yet; though; when; in spite of

苦節: perseverance, devotion

propensity to seize things impulsively; sticky fingers

weird / strange person

despite

he; boyfriend

reason / origin / history / oral tradition

(colloquial, informal) good / (colloquial, predicative only) enough, not wanted any more