Answer:
If Your not sane (sanity) Then your more or likely Insane (insanity)
The definition of sanity is: the ability to think and behave in a normal and rational manner; sound mental health.
The definition of Insanity is the complete opposite: the state of being seriously mentally ill; madness Or, extreme foolishness or irrationality.
In Between is usually more lean to insanity, but most times its one or the other, your sane or your not.