This and other such exercises are instructive and sobering. They can make us realize how careful we might be with our thoughts, especially those we deem important. There is value in becoming conscious of and thinking about thinking itself. However, there is a difference in trying to develop conscious sensing capacities around emotion, or, I would prefer to say, the heart. Intuitions can be cultivated and worked with to become a clear and reliable instrument of cognition and perception.
Clairvoyant faculties are already something else.
This functions spiritually, and provides us with easiest and more common access to the realm of the spirit. The other modality, quite to the contrary, works unconsciously into our will or intention system, through the limbs and extremities. It is here within the ebb and flow of our rhythmic life that the heart moderates, modulates and harmonizes these opposite poles of our cognitive processes. Of course, we are aware of our feelings, but to a less conscious degree than of our thinking process. However, we can develop this rhythmic system with care.