Mahabharata 13.130.25

ये च दंपतिधर्माणः स्वदारनियतेन्द्रियाःचरन्ति विधिदृष्टं तदृतुकालाभिगामिनः

ye ca daṃpatidharmāṇaḥ svadāraniyatendriyāḥcaranti vidhidṛṣṭaṃ tadṛtukālābhigāminaḥ

Our plain-language meaning of this verse is waiting for scholar review.