forget you

forget oneself

to lose one's dignity, temper, or self-control.

forget to take one's medication this morning

To be annoyed or irritable, or to behave in an ill-mannered way, particularly in the morning.

forgive and forget

To absolve somebody completely for a past wrongdoing; to pardon with neither resentment nor a view to retribution.

forgive but don't forget

To pardon someone of wrongdoing while retaining awareness of their past behavior to prevent similar incidents from happening again.