BOYFRIEND + MONEY PROBLEMS

OKAY GIRLS.. I DONT KNOW HOW TO FEEL ABOUT THIS. 
MY BOYFRIEND AND I ARE 17. I WORK PART TIME AND HE DOESNT WORK AT ALL. 
LOOK, I DONT MIND LENDING HIM MONEY CAUSE HE ALWAYS TRIES TO MAKE IT UP TO ME BUT RECENTLY IVE BEEN THINKING TO MYSELF, WHO AM I TO CONSTANTLY GIVE HIM MONEY? HE CANT RELY ON ME ALL THE TIME CAUSE WHEN IT COMES TO MONEY THAT IVE WORKED FOR, I GET DEFENSIVE BECAUSE I WORKED TO GET THAT MONEY AND HE HAS IT EASY BECAUSE I JUST TRANSFER HIM MONEY WHEN HE ASKS. 
I MADE HIM A RESUME AND ALL HE DOES ALL DAY IS PLAY GAMES INSTEAD OF ACTUALLY APPLYING FOR A JOB AND IVE COME TO THINK THAT I CANT KEEP ON JUST GIVING HIM MONEY CAUSE HE EVENTYALLY HAS TO BECOME INDEPENDANT! 
OVER 2.5 MONTHS IVE TRANSFERED HIM $240. I WOULDVE HAD TO WORK A WEEK FOR THAT.. 
GIRLS, DONT GET ME WRONG IM NOT BEING LIKE SELFISH AND MONEY-HUNGRY BUT HE CANT KEEP ON RELYING  ON ME PLUS I HAVE EXPENSES TOO.. WITH $240 I COULDVE PAYED FOR MY STUFF THIS WEEK 
WHAT SHOULD I DO AND AM I BEING SELFISH???