How to know that one is not the body?

The following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

देहाभिमानपाशेन चिरं बद्धोऽसि पुत्रक ।
बोधोऽहं ज्ञानखंगेन तन्निष्कृत्य सुखी भव ॥

dehābhimānapāśena ciraṃ baddho’si putraka
bodho’haṃ jñānakhaḍgena tanniṣkṛtya sukhī bhava

O son, you have become habitual of thinking “I am body” since long.
Experience the Self and by this sword of knowledge cut that bondage and be happy.

~ Chapter 1, Verse 14

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Questioner: Sir, in the verse above it is mentioned that one is constantly identified with the body. I feel I am deeply identified with the body most of the time. How do I start detaching myself from this body identification? Being a woman, I find it more difficult because of social and physical conditioning.

Acharya Prashant: The question is, how do I start detaching myself from the body? How to get rid of body identification?

You can have a small vessel, which contains small pieces of many metals — iron, aluminum, nickel, copper — and happily they go…