Ah love, this was me a decade ago. I was 23 for my first IVF. We were initially told it was MFI and that because of my age and having no issues myself it should be a breeze. Except it wasn't, 4 ICSI's later and either BFNs or early losses I was the most bitter person you could wish to meet.
I had what was called Chicago Tests to see if I had any underlying issues with immune problems etc and it transpired that I did, so on top of normal treatment/drug costs I had immune therapy costs on top. Quite a few actually. So, my protocols were changed and cycle 5 arrived and yet another fresh transfer. BFN.
Now, by this point, our bank accounts were crying with us and I don't have enough words to describe just how floored we both were, it was physically and mentally exhausting. I hated everything and everyone. I avoided people at work, I wasn't happy for other people because in my mind they weren't going to bed crying into their pillows for me - I took the decision to preserve my energy on me and not being concerned about how my insular feelings would make others feel. We had spent tens of thousands of pounds, not just on the treatment but on vitamins, organic foods, supplements, acupuncture, you name it, we tried it.
Cycle 6, I went into with such a negative mindset because I had nothing positive left to hold onto. We drank (not extremely!!), we had normal foods, we went out and did everything the fertility gurus like bloody Zita West tell you not to do. It worked. First scan showed twins but at 10 weeks I lost one twin. I bled all the way through my pregnancy and they never knew why but in October 2011, our boy arrived and I promise you that every single penny, every injection, every crying fit and tantrum absolutely every shit part was worth it.
You will find the energy from somewhere, I don't know what position you're in financially but for us ALL money went towards treatment, nothing in our house was new. We did put any extra money towards holidays that we needed to get over each disappointment.
I genuinely truly hope you get there, unless you've been in the position of multiple failed cycles then you can't understand how desolate it can feel. You have all my best wishes and seriously, if you want to shout, swear and moan about the unfairness of it all then my inbox is open and there will be no judgement from me.