Hello pinkstarlight and welcome, - I was just about to post on your other thread and saw you were popping over here
. I'm so sorry to hear about your diagnosis - it takes a bit of getting used to doesn't it?
I think journey is the right word - we get used to going to the doctor being given something and then getting better in a fairly short time. But this is a bit of a longer haul. But it is doable, it really is.
You're bound to feel anxious about the start of your treatment - it's a step into the unknown.
In very general terms I would say take it day by day. You will have good days, and days when you feel a bit rough. Try to pace yourself, and if you don't feel up to doing stuff, then rest.
Accept any help that's offered, someone making a meal for you, or picking the children up from school or whatever can be a big help.
Chemo affects everyone differently - people get different side effects. So play it by ear - once you've had your first cycle, you'll have some idea of how you will feel during your three weeks in between 
Don't feel you have to constantly put a brave face on things and be cheerful all the time. Having cancer and the treatment for it is a big thing to get hit with, its OK to have a cry or feel angry and upset. (And feel free to come on here for a rant or a moan - we all do it
)
If you've got any specific questions, or there's is some aspect of chemo etc. that is especially worrying you, just ask away, - hopefully one of us will be able to help.
take care
xx