Based on Bhagavad Gita Chapter 10, Text 41
Love is characterized by desire: strong, sustained, single-pointed desire. As spiritual seekers, we aspire to awaken our love for Krishna. In the ultimate sense, that love is a gift bestowed from without; when Krishna reveals his supreme all-attractiveness to us, then we cannot but fall completely in love with him. Additionally, in an immediate sense, that love is a choice exercised by us from within; we show Krishna our desire for that love by choosing him over the things of the world.
Normally, our desires get splayed and split over a wide variety of worldly things. Consequently, our desire for Krishna remains mere background music, a noble but feeble aspiration that we hope to act upon sometime in the future. To aid us in intensifying and accelerating our desire for him, Krishna gives us the holy days that periodically adorn the calendar.
Read More – http://www.gitadaily.com/2012/06/25/so-much-o-krishna-do-i-long-for-you/