You gotta keep the big picture in mind, my dear. Not so easy, I know. You certainly deserve to indulge yourself in some bitching and moaning, you have earned it for sure.
There's a saying and it's true: this too, shall pass.
I never had chemo (or bladder cancer for that matter, I'm a breast cancer survivor), but I did some nasty drugs for five years, hormone-suppressing drugs, got launched into instant menopause at 43...that was horrible enough. Never lost my hair but I did gain 60 lbs the first year of treatment, without eating. Awful. I had nerve damage from the mastectomy that made moving excruciating for 2-3 years, that was pretty bad too and many times I wish secretly that I hadn't done the treatments and just rolled over and died instead. But now it's 2 yrs since I finished and 7 yrs since diagnosis. I never thought I'd live this long but now I'm glad I did.
You will feel the same, I promise.
Wendy