Achievements Disposable Income & Wealth (Cars, House and Holidays etc) Appearance Intelligence Wife or Girlfriend Height (Normally 6ft+)
Don't forget that having an athletic muscly build can also make other guys jealous (well, fat or skinny guys).
I agree, also just having an althletic lifestyle. Most people are lazy slobs now, as most enjoy the over consumption of McDonald's and Coca Cola.
I believe Money, Luck and love are the things which can make anyone jealous irrespective of the sex of the person.