Anybody can live without sex, but having sex and do semen retention can be a real blessing and difficult task. This challenge is about people who are in a relationship and are sexually active and are doing non ejaculatory sex in any form whereas is karezza, tantra, tao... The point is you are sexually active and doing sex transmutation Rules: 1.You need to be sexually active 2.Penetration needs to be part of the sexual act 3. If you ejaculate during dreams, masturbation or sex you restart the challenge. 4. You don't need to have sex everyday. It can be once a week, every two weeks... It doesn't matter but you need to be sexually active.