The binge-purge cycle is something I went through for a number of years as well. My suggestion would be to continue accepting this part of yourself, because it is likely a lack of acceptance that is causing you to purge. Besides that, avoid bingeing also, because that usually leads to purging. All in moderation! And as also mentioned above, avoid throwing everything out when you purge. Chances are you'll want the things again later and it is kind of costly and time consuming to buy them again, so hide them, but don't throw them out.