Director Yang's tongue diagnosis - practical experience sharing, kidney weakness and weakness, scrotum dampness, liver depression and sulkness Director Yang's tongue diagnosis - practical experience sharing, kidney weakness and weakness, scrotum dampness, liver depression and sulkness Director Yang's tongue diagnosis - practical experience sharing, kidney weakness and weakness, scrotum dampness, liver depression and sulkness Director Yang's tongue diagnosis - practical experience sharing, kidney weakness and weakness, scrotum dampness, liver depression and sulkness