Will is eternal. That Will is known by the name of Kama and is at one with Rudra's seed a portion of which fell into the burning form of Agni.
सनातनो हि संकल्पः काम इत्यभिधीयते। रुद्रस्य तेजः प्रस्कन्नमग्नौ निपतितं च यत्॥