I caved and showed Sara the super secret knitted project. I feel good that she likes it. Since it's secret no more, I can show you photos! Here's what the whole thing looks like so far:
I'm well into the 3rd eighth. Here is the one corner I have so far:
And a closer shot of the top where I'm currently working:
Each row gets one stitch shorter, then I come to the corner, and then each row gets one stitch longer till this half is done. The finished blanket will be plenty big, and that made Sara happy.