肛門不提，丹田氣散，内中空虚，元氣*虧損
When the anus is not pulled up, the vapours around the cinnabar field disperse, the inside becomes empty and one's vitality depletes.
As it has been mentioned in the previous post, one could compare training teenagers and adults to fixing new or already used cars. Hence, when training adults, one has to consider the body deterioration, a thing teenagers have not yet undergone. As far as internal alchemy is concerned, it is mainly about the organs and their capacity to generate heat. Hence, their place, size and insulation are important matters to deal with when training adults. Right place and size are determined by the capacity to keep the stomach flat and insulation is working on the sphincters so that the sex and the anus are kept as closed as possible most of the time. Both issues are mainly solved by working on the pelvis and the perinea.
