彼は彼の飲む癖を直した。

he; him; his; boyfriend

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

to drink; to gulp; to swallow; to take (medicine); to smoke (tobacco); to engulf; to overwhelm; to keep down; to suppress; to accept (e.g. demand, condition); to make light of; to conceal

habit (often a bad habit, i.e. vice); tendency; peculiarity; idiosyncrasy; mannerism; crease; wrinkle; curl; kink

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to cure; to heal; to fix; to correct; to repair; to do over again (after -masu base of verb); to replace; to put back as it was; to convert (into a different state); to transform