In the second coming of Christ, all of us are going to receive a resurrected body. We will live in eternity in both body and soul, being forever filled with the presence of the resurrected and ascended Christ.
The Resurrection and Ascension of Christ glorified his human nature, having re-created the nature of men. He sat on the right hand of the Father, and was given power over the visible and invisible world.
Whilst physical thirst can be satisfied by a glass of water, the thirst of our soul is not so easily satisfied. Nothing in the material world can satisfy the thirst of our soul.
Seeing an icon of the Holy Theotokos, she prayed that if allowed to venerate the Holy Cross, she would change her life and follow whatever path of salvation the Mother of God revealed.