I tried something similar and that worked too. I decided to not have ANY sugar whatsoever for a week, and I managed surprisingly well. Then I thought I could do it for another week. Weeks became months and months became a year. Over time I've started consuming a little bit of sugar here and there, including fruits, and some added sugar in food that I buy. It's hard to not have any sugar because it's added to pretty much everything these days. But reducing cutting it out for a couple of weeks and then having reduced sugar works wonders!