The soul is a dynamic entity that many people do not understand. We barely know our own selves, let alone enough to contemplate what the soul is.
Have you ever woken up in the morning and just wanted to cry because you were so overwhelmed? Not overwhelmed in the negative sense, quite the contrary. Allah has blessed you with so many blessings, most of them uncounted for. You are free of need, and sometimes even want. Our brains adapt to our surroundings and we start to take things for granted. The soul, however, never forgets and is always grateful because it holds fast to the fitra (primordial state).
I remember once at a gathering, a scholar told us that if you ever feel like crying in instances like this, then go ahead and cry. Tears are a sign of mercy and soften the heart. I’d like to add that they can remind us of what we should be grateful and our ignorance of what do not know what to be grateful for.