The sky due to it's subtle nature doesn't mix with the air and the sun doesn't get affected by the things that is illuminated by sunlight. Similarly the spirit soul is distinct from the body and senses even though its consciousness is spread all over the body. 

An intelligent person situated in transcendental knowledge can see that the soul actually does nothing while eating, sleeping, evacuating, moving about, but only the modes in action whereas a foolish person cannot feel his own soul distinct from his body and the type of enjoyment or suffering that he is experiencing with the modes of nature that he comes in contact.

Conscious beings get attached to their support and the supporters. But I am not attached to anything in the material world even though I am situated in everyone- Sri Krishna in Bhagavad Gita.

Yamaraja then told the Yamadutas:

"Paramahamsas are exalted persons who have no taste for material enjoyment and who drink the honey of the Lord's lotus feet. My dear servants, bring to me for punishment only persons who are averse to the taste of that honey, who do not associate with paramahamsas and who are attached to family life and worldly enjoyment, which form the path to hell.

"My dear servants, please bring to me only those sinful persons who do not use their tongues to chant the holy name and qualities of Krsna, whose hearts do not remember the lotus feet of Krsna even once, and whose heads do not bow down even once before Lord Krsna. Send me those who do not perform their duties toward Visnu, which are the only duties in human life. Please bring me all such fools and rascals."