Hi @Sarnicad,
Welcome to the forum. You will find a lot of knowledge, support and warmth here. We have all been where you are and the initial shock of diagnosis can't be explained to anyone that hasn't felt it.
The up and down emotions are perfectly normal. The whirlwind of tests and scans, appointments and waiting...just awful.
Good news that no nodes involved and you now have a plan.
The thought of chemo is very daunting, but our brain definitely conjures up worst case scenarios. A lot worse than what it normally is.
The random tears are par for the course. One minute, you're like, I got this and the next your are a babbling mess. It will pass. There is always someone on here no matter what time of the day. Lot's of us don't sleep well.
As far as telling people goes, you don't have to right now. I let me husband ring close family and one good friend. He asked them to give me a few days before they rang.
Breathe deeply lovely. Keep talking to us. One day at a time. One step at a time. You will get it done, you will be ok. Promise.
xoxoxoxo