What are some natural ways to kill off my sex drive?

None: If you are hypersexual, consider seeing a psychiatrist and discussing these issues

Crowd your life: The simple answer is to get married. My wife says to be ugly to decrease your attractiveness. She also recommends vigorous exercise to wear yourself out but in males that increases the testosterone. Your doctor can put you on medications for obsessive compulsive disorder that will be helpful for that disorder and will also give you more control over your sex drive