Thank you, everybody.
I think the flannel backing makes it a little harder. I did a little test sandwich and thought "Oh, it'll be okay", but now I'm kind of wishing I'd chosen something else. However, it is a baby quilt and the flannel will be nice and cozy.
It seems like i'll get better for a little bit, then I take a break and come back and the stitches are all long and messed up again.