K, first things first hun, breathe....... go to your happy place...... breathe some more...... awww that's better.
Do you have a link or a picture or can you post the part of the instructions that are giving you probs? That would help us get started on knowing where the problem is.
Couple of questions for ya, Do you work the sleeve in at the same time you are knitting to front and the back? Or, do you seam the sleeves on later after you've knitted the body?