Nobody asked for my advice but I'll give it anyway: Don't tell anyone your new year's resolution. Because if you tell people, it will give you a feeling of accomplishment which will undermine your motivation.
Keep your goals to yourself.
http://www.ted.com/talks/derek_sivers_keep_your_goals_to_yourself?language=en
Keep your goals to yourself.
http://www.ted.com/talks/derek_sivers_keep_your_goals_to_yourself?language=en
And yet the first thing in his bio on that page announces his goal: "Through his new project, MuckWork, Derek Sivers wants to lessen the burdens (and boredom) of creative people."
There is a time to speak of your goals and a time to keep silent.
The new year is a popular Schelling point to make changes to your activities, habits, and/or thought processes. This is often done via the New Year's Resolution. One standard piece of advice for NYRs is to make them achievable, since they are often too ambitious and people end up giving up and potentially falling victim to the what-the-hell effect.
Wikipedia has a nice list of popular NYRs. For ideas from other LW contributors, here are some previous NYRs discussed on LW:
(If one of these were from you, perhaps you'd like to discuss whether they were successful or not?)
In the spirit of collaboration, I propose that we discuss any NYRs we have made or are thinking of making for 2015 in this thread.