two things involved

 In this world there two things
involved:
Either you are born a man or women
If you are a Woman you are safe, but if you are born a man there are two things involved :
Either you are in Military or Civilian
If you are civilian you are safe, if you are in Military there two things involved:
Either in office or war front
If you are in office you are safe, if you are in war front there two things involved:
Either you kill somebody or somebody kills you
If you kill somebody you are safe, if somebody kills you there two things involved:
Either you will be buried or you body will be used for manure
If you are buried you are safe if your body is used for manure two things involved:
Either will be used to grow flowers or used to grow trees
If you used to grow flowers you are safe, but if used to grow trees two things involved:
Either will be used to manufacture tissue paper or furniture
If used for furniture you are safe, if used for tissue paper two things involved:
Either you will be used by a Men or Women
If used by Men you are safe, if used by Women two things involved:
Either you will be used from back or used from front
If used from back you are safe, if used from front two things involved
Either you contact gonorrhea or you contact HIV
If you contact gonorrhea you are safe, if you contact HIV only one thing is for sure
Which is?