The uncovering of them is one of the most important tasks confronting any one of us. The code we are to decipher is written into our genes and sent out to us, as it were, from the core of our beings. Paying attention to the desires of our heart is important. Some religions teach that desire is wrong and that it needs to be subdued and subjugated. Not so in Christianity.
Scripture implies the importance of desire.
The Kingdom of Heaven within you is operated through desire. Do not quench it or crush it or suppress it. Rather offer it to the Lord. Our heart's desire is often a clue, because chances are those things you deeply desire is where your vocation lies. Many years ago I had a desire to write, but I had just barely acknowledged it to myself, but not to anyone else.