The secondary gas belongs to Yuanhai, and the gas belongs to Yuanhai, which means that we extract the gas through continuous accumulation and repeated refining. We should consolidate the true qi gained by our practice through Yuanhai, that is to say, the true qi is not exposed, and we will constantly store our true qi in the Dantian point to increase the energy stored in our body. The more true qi stored in Yuanhai point, the better our manners, and the highest state of health is conditioning. All anger should go to Yuanhai.