You're not eating enough. When I was on Jenny Craig, they told us that the body goes in to starvation mode when you only eat once a day. It's best to eat several small meals a day so your body doesn't think it has to hang on to everything you put into it.
Yeah, right. Look who's talking!
<font color=blue>"Our doubts are traitors and make us lose the good we oft might win by fearing to attempt" --Shakespeare</font color=blue>
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Psalm 119:105 Thy word is a lamp unto my feet, and a light unto my path.