What it is
Most people are completely merged with what they think, feel, and experience.
The inner witness is the part of awareness that can observe experience without being fully consumed by it.
It notices thoughts without becoming the thoughts. It notices emotions without losing itself inside them.
This is not emotional detachment. It is the beginning of conscious presence.
The practice
Several times today, pause and gently ask yourself:
What is happening inside me right now?
What am I thinking?
What am I feeling?
What is my body doing?
Then notice something important:
There is a part of you that can observe all of this.
You are not trying to control your inner world. You are strengthening the ability to remain aware within it.