Sugar is addicting because it affects brain function the same as cocaine and heroin.
http://medheadlines.com/2008/12/sug...udy-suggests-2/

Makes us feel good for a little while, then very low ... so we think we need another high. Sugar is nasty stuff.

There's really natural peanut butter, you know? I get mine ground right from peanuts at a health food store. But I have to limit to one tablespoon and maybe not every day... If you can't eat PB in moderation, just don't have it.