Good luck!
that is doable. I did it with sports - last year, new years eve I promised myself that I will take martial arts lessons for a year. Now a year has passed and I hadn't skipped a single one. I feel better now, and I'm ready to train for one more year.
I did the same with smoking 3 months ago. One day, I told myself, no more and threw out all my cigs.
But it's not important what exactly I did. The important thing is that it really works - to undo a habit, just don't do it.
