wont, use, substance abuse, drug abuse, habitual, habituating, routine, proclivity, compulsive, predilection, more...

spontaneity, irregularity, randomness, anomaly, novelty

smoking, biting nails, procrastination, overeating, excessive drinking, overspending, compulsive lying, hoarding, more...

bad, old, long, mental, usual, constant, common, daily, nasty, peculiar, mere

monk's item,   nun's wear,   regular routine,   repeated action,   consistent use,   nun's garb,   the practice of,   repeated behaviour,   regular tendency,   a repetitive action