ઓકયું ધાન, સામું જોવાય નહીં.

ōkayuṁ dhāna, sāmuṁ jōvāya nahīṁ.

Literally: Vomited food is not to be looked at again.
What it means: Once something or someone is discarded or renounced, one should not yearn for it back.

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · read from the scan by machine — the Gujarati itself is unchecked · English is machine-made and nobody has checked it yet

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.