Grape seed extract seems to help keep it from spreading. The worst thing for spreading for me is injury and then really bad flares and not treating it.

It seems the key is to avoid all the triggers from stress to fatty foods and sodium nitrite. Keeping my mind off of it and exercise helps. Talking is great for me so I try to get out everyday if I feel up to it. I'm going on 14 years as well but it feels a lot longer.