The Quest for a Sweater That Fits

So, my previous adventures in making sweaters has not turned out that well.  My first sweater was a seamless sweater from Knitting Workshop.  I didn't follow the directions for the decreases and it didn't fit.  My next sweater attempt is the one shown in my earlier posts.  It is almost finished, just needs the collar done.  It sorta fits; it is very tight on me. One good thing is that it fits my nephew.  I'm also not wild about how the saddle shoulder turned out.  I think there is a mistake in the pattern.  The upshot of all of this is that I'm learning quite a bit about knitting.  So, why stop trying sweaters now?  Here is my latest attempt.  It is a traditional gansey from Cables, Diamonds, Herringbone: Secrets of Knitting  Traditional Fishermen's Sweaters.  The wool is Cascade 220, Pumpkin Spice.  It's Knitting up really quickly.  The pattern is cables, knits and purls.  This pattern also includes a gusset.  I've done these before on mittens but not on a sweater, yet another learning experience.