Did you resolve to pitch more articles? Clean out your files? Write 500 words a day? Have you quit yet? A lot of people have. I can tell because finally all the wanna-bes have left my gym. But if you're still plugging along, now that it's the end of January, congratulations. If you're still on the resolution wagon but aren't sure you can keep it up all year, there are some tips on making your resolution stick from WorldWit.