Is concealing a broken cup, for fear of the mother's reaction, considered deceit, with the intention of disclosing it later if asked about it?

There is no legal impediment to concealing the matter from the mother until she calms down, if informing her at the time of the incident would provoke her anger. She must be informed later if the cup belonged to her and she did not authorize its use, and its value or an equivalent must be guaranteed, whether the damage was intentional or accidental. However, if the mother authorized the use of the cup, or if the questioner works for her, then she is not liable if the cup is damaged unintentionally or without negligence.