If you've lived and learned, there are probably people here who could benefit from your wisdom. Don't keep it all locked up inside your head - share it with others who might benefit from hearing how you've handled something, managed something or achieved something.
I guess a lot of people will have made new year's resolutions and many of those will have involved helping others in one way or another. A very direct way to help others is to pass on experience and wisdom often gained through struggle and hard work.
I have been advising Horsesmouth on and off over the past few years and have mentioned them here before but I wanted to point to their newly revamped site again today as it seemed timely to do so.