I had lymphoma over four years ago, so different disease but still classed as blood cancer. The treatments are excellent now and getting better all the time, try not to look at survival rates etc. As they are generally totally out of date, and don’t represent the current diagnostic and treatment rates.
I would consider looking at support groups on facebook etc. It can be good to have somewhere to vent that isn’t family and friends! The other thing I would say, is while all the chin up stuff is great, it is OK to feel utterly miserable about what is going on too! You don’t have to be “brave” all the time, and I don’t believe anyone can be, don’t beat yourself up when you have those times – it doesn’t make you weak, just human.
The very best of luck to you.