Too much protein can damage your kidneys. healthy humans, a medium to high protein diet (not more than 1.5 grams of protein per pound of bodyweight) is not damaging to the kidneys.
The best way to lose weight is to eat once or twice a day. eating this little will cause sugar highs and lows which result in low energy levels and lethargy.
Carbs are bad and need to be eliminated. The wrong types of carbs need to be eliminated like sugars, pastries, fruit juices, etc. The body works best on a balanced diet that consists roughly of 40% carbs, 40% protein and 20% good fats.