Sister, I feel your pain! My baby had a terrible latch and we went through all sorts of hell getting him to the breast. Pumping and trying to breastfeed at the same time, and getting the timing right (or wrong so much of the time), was truly the worst of both worlds. Then there were the cracked nipples, nipple confusion, mastitis, thrush, and horrendous coughs and colds. I was trapped in the house, unshowered and naked but for my strap-on nursing pillow, for weeks, and had more than one nervous breakdown.
One of the hardest things for me was the merry-go-round of should-I's or shouldn't-I's. One minute I'd swear that not another ounce of formula would pass my baby's lips; the next I'd be in tears because I was behind the pumping curve and didn't have enough breastmilk for a bottle and he was screaming, so I'd mix up some formula. One minute I'd swear that he was not getting the "easy" bottle he'd bonded with in the NICU again; the next I'd be giving it to him because he'd refuse to drink from the low-flow nipple. I felt like I couldn't come up with a plan and stick to it, and it was demoralizing. I was so angry, because this was the ONE THING I knew was more important than anything else to me and it was so hard.
The way I handled it was one day at a time, one feeding at a time: if it went well and he latched on, great, if not, and I had to give him a bottle and move on to the next time so be it. Easier said than done I know. I spent a lot of time here looking for support, as well as a lot of time researching and reading everything I could get my hands on about breastfeeding. I also spent a lot of time on the phone with friends who had breastfed, the LCs, and my midwives, looking for support and guidance.
To tell you the truth I don't even remember at this point when I finally got Evan to the breast for good. It was somewhere between 6 and 10 weeks but it's all such a blur. At some point Evan just got it (and his mouth got bigger as he grew, I guess) and so did I. It was a lot like learning how to ride a bike, where things just came together and we were able to finally get rid of the training wheels (the pump, bottles, etc.). Now nursing is a piece of cake, although I am again struggling with yeast issues.
I don't know if you will find anything of use in this post but I wanted to let you know that I've been where you are and I know how tough it is. You just need to have faith that you and your baby will get it and that nursing is so much better than formula feeding that giving up is not an option. It may take a while longer but you can do it, and it will get so much easier.
Please feel free to PM me any time you need support or encouragement. Hang in there, you can do this!