Deer don't have horns, they have antlers. And no, you cannot eat the antlers and the meat last a year, but the antlers last a life time. I go after antlers and have past some up some nice bucks that I wish I had shot and I've settled for a 3pt mulie a couple year ago just to fill my tag so I wouldn't have to eat tag soup. I just try to extend my season as long as possible. I've had quantity, now I hunt quality, but I will fill my tag and even shoot a doe the last day if need be.
Congrats on your 3pt. Enjoy.

Bobby