Hence there is no other factor causing the illusory duality of differentiation between 'us' and 'them' and the repeated pain and delusion it entails than the psychological ego-sense.
When the materially identified ego has sided with the materialistic forces of creation (Maya), it is said to have the following faults: kama, krodha, lobha, moha, mada and matsarya.
Also called evil passions, man's spiritual heritage constantly gets looted by these internal thieves (and their numerous variations), causing him to lose knowledge of his True Being, it's also create hindrance to achieve Mokhsha.
If a person is virtually a prisoner of arishadvargas (the six internal enemies), then his life is completely governed by destiny.
Similar unique or rare features in an object create doubt as to where its from and perhaps when exhibited from within a person's mind or from delusions, its validity.
To overcome this misery every human needs to experience all these Shadripu's and understand the consequences which later teach the person the importance of love and divinity.