Stitching slump

I've hit a stitching slump, and I don't like it. :( I've been stitching on my own design as it's one of my December goals to finish it this month. But I just don't find stitching on my own design as relaxing as stitching someone else's. While I'm stitching my brain is going 'should that be there, I think this might be in the wrong place, that wasn't positioned very well, maybe you should add this...'. It's quite frustrating! Not the zen-like stitching experience I'm used to.

I tried to suck it up and finish the design, but now I'm just feeling flat. Sigh...