Inside your head. Interpersonal refers to how you relate to your
mind and
body. Interpersonal abilities include
meta-cognition,
self-regulation, and
self-control.
Listed as one of the types of intelligence in Howard Gardner's book Frames of Mind, and the subject of Daniel P. Goleman's book Emotional Intelligence.
This is one of the most important life skills you can develope. See also interpersonal.