Answer the question about text:

Even though I was a complete idiot , I should have known that she would react in a very mature manner . We raised her to be mature and handle bad situations with grace . My mom always says not to let it live in your head .

What does the speaker 's mother mean when she says not to let it live in your head ?
She means to live in the present moment and not to be resentful at things in the past or future