na vinā vipralambhena sambhogaḥ puṣṭim aśnute

When the lover and the beloved meet, they are called yukta (connected). Previous to their meeting, they are called ayukta (not connected). Whether connected or not connected, the ecstatic emotion arising due to not being able to embrace and kiss each other as desired is called vipralambha. This vipralambha helps nourish emotions at the time of meeting. Similarly, sambhoga is thus described [14.188]: