I wore the sweater yesterday, and the collar wouldn't stay folded down.
This morning I undid the bind off and added to the collar, starting at the top of the buttons and adding fewer stitches for each row until I had added another 2". This is more what I had in mind originally.
I'm a professional dressmaker, who is also a knitwear designer. I'm a TKGA Master Knitter. I have a husband, 6 children, with assorted spouses and fiances, 10 grandchildren and 3 great grands. I've been knitting and sewing forever.