B. The form realms
Desire makes itself scarce in these realms, and as the name suggests one still experiences reality as form. Concepts of the formless are yet to develop to any notable degree. These heavenly realms are only attained in the deepest of one-pointed concentrations. It is possible to occasionally find oneself in these realms without conscious effort. When every trace of worry and anxiety are lost, or eliminated from the mind, one enters the realms of form.
In this state, one feels as though one can stare at a wall and see all its constituent atoms. One feels as though one has complete and direct control over the operation of every muscle fibre in one's body. One may generate this mind for five minutes, yet experience a thousand blissful years - such is the power of this timeless consciousness.