Please tell me yes.
I'm working on the Snapdragon Tam. It's a bit complex so it requires some concentration to follow the pattern, but it's well written and not terribly difficult. I started it on the plane ride home on Sunday and I've been able to get a few rows in on the bus every morning this week.
I picked it up yesterday morning and I could not, for the life of me, figure out what was going wrong. I was at the start of a new row, but the pattern had ceased to make sense and fit in with the existing pattern. I searched for my mistakes, went back to see if I accidentally skipped a row or lost my mind on the previously row and interpreted it wrong. Crossed my cables the wrong way? Nope, they look ok.
I spent way too much time on this. I checked Ravelry and Ysolda's website for corrections or anyone having similar problems, but got nothing but raves about the pattern editors. Finally, as I was about to frog it back a few rows to start out where I thought I had a grip on things, I noticed something. I had two stitch markers designating the beginning of the round. The first one was correct, and the second one must have been lying around loose in my project bag and slipped onto the needles in the exact spot where I had stopped. So I wasn't at the beginning of the round after all, HA! I simultaneously felt relief that I didn't have to tink back and I wasn't crazy, but extremely dumb that I didn't just hold the work back a few inches and see the bigger picture and save my self an hour of angst.
Sneaky stitch marker.