Hlādinī-Śakti
ह्लादिनी शक्ति
The Bliss-Energy and What She Is
Krishna is svayam Bhagavān, the Lord himself. His intrinsic energy, called svarūpa-śakti or antaraṅga-śakti, the internal energy, has three aspects. Sandhinī, the energy of being, by which all eternal forms and abodes exist. Samvit, the energy of consciousness, by which all knowledge of him in the spiritual world exists. And hlādinī, the energy of bliss, by which his pleasure exists.
Of these three the hlādinī is the active, the relational, the one by which the Lord enjoys his own existence as a known and beloved person. The essence of the hlādinī, says Jīva Goswāmī in the Krishna-sandarbha and the Priti-sandarbha, is prema, love. The essence of prema is mahābhāva, the highest condition of love. And mahābhāva personified, walking, breathing, dancing in the eternal Vrindavan, is Śrī Rādhā.
This is the central theological move of Gauḍīya Vaiṣṇavism. Rādhā is not Krishna's lover from outside. She is Krishna's own bliss-power, made walking, in feminine form, so that he can be loved as the Lord he is. Without her he would still be Bhagavān. But the love that flows back to him, the love that allows him to taste himself as the loved one, is her. She is the very capacity of Krishna to be loved.
This is also why every meeting between Rādhā and Krishna is, at one level, the Lord meeting his own delight. The Goswāmīs are clear: this is not solipsism. The love is real. The relation is real. The two are eternally distinct, eternally related, eternally one. The doctrine that holds these all together is acintya-bhedābheda, the next thread.