Blain, to lose weight you'll have to be technically starving.....to lose that much weight you WILL be starving. 1kg = 2,5lbs or thereabouts, 1kg = more or less 7000 calories. You're talking about running a negative 2500 calories a day diet. To achieve that, you either don't eat, or you eat so little and exercise so much that it would be considered a war crime.

I'm not a doctor but i've worked for a couple months in a hospital....i've seen people trying to do what you're planning that ended up in the ICU. Talk to a dietician.

I'm not your mother, your father or brother, i'm just someone with empathy and common sense that doesn't like people harming themselves.