New Year’s Resolutions are hard to keep. Research from psychology professor John Norcross summarized here, shows that only 40% of resolutions are successful at the 6 month mark (incidentally, though this may sound bad, it is slightly better than typical rates of project success).
However, on the optimistic side, you are ten times more likely to do something if you have a resolution for it. I guess that’s obvious, but it’s a good reminder not to be too cynical about the concept of new year’s resolutions