I have been asked by a sadhu (atheist) that if your body is going to be burried and only your soul will go to jannah then what will your soul do with those foods and the women (hoor) in jannah. Food and other things are the needs of a human body not the soul

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A tradition has been related from as-Sadiq, peace be upon him, which confirms and clarifies this interpretation. He was asked: "What will happen to the spirit of the dead? and where will it abide?" He replied: "The dead are of two categories: (a) either purely faithfully, or (b) purely wicked; then the spirits of each passes from his body (lit. house-haykal) to its like, and each is rewarded for its acts till the Day of Resurrection.

On the Day of Ressurrection Allah will restore his body and insert his spirit into it, and call him to accept the final judgment for his deeds. The spirit of the faithful will pass from his dead body to a similar form, and abide in a paradise of Allah, where he will enjoy a perpetual grace till the Day of Resurrection.