balen

hello i was wondering if any one nows how to dercrease muscle i no this is a strange question to everyone here but id appreciate the input. i used to be really skinny before i got into lifting weights. i am a rock climber n hav been now for two years n climbing pretty bloody strong but i want to slim down to what i sort of used to be. befroe i started climbing i lifted weights for about a year n put on muscle no fat only muscle. my body fat percentage is very low i mean i can bearly grab anything ...