Im 22 years old crossfit athlete, looking for improving my strength, im thinking of taking anavar with 10mg dosage per day for 8 weeks, i dont want to gain more than 6 lb, all i want is to improve my strength without affecting my endurance and conditioning performance, and i dont want my body shut down, and my strength performance after the cycle would decrease alot , how long it is stay on the body after the cycle?, i dont want to get positive on drug test.