when do you call it quits?

I always knew I wanted to breast feed James, my goal was to make it a year. Chris thought I would make it 6 (proved him wrong!). At 5 months we had to start using our freezer supply to keep up. At 6 months we had to introduce formula. Now at 7 months James is drinking about 2/3 formula and a 1/3 breast milk. It's starting to become a waste of my time to spend 10 minuets every 4 hours on average pumping and only producing 3 oz of milk. So when does a mom throw in the towel? I'm not a huge fan of formula. It's only good for an hour once it's warmed/made, and a pre-made bottle is only good for 24 hours in the fridge. Breast milk is much easier to work with! However I really can't explain how much of a pain in the butt it is for me to pump at work, or how much of a fight it is to pump with James trying to pull my tubes out.

Part of me feels like a failure, the other part says "hey you gave it your best". Either way my goal was one year, I'm just over half way there, thats not that great.

Alright apparently it's bed time. night all!