Based on the context and the answer, generate a question. 

Context: 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 .

Answer:

She means to live in the present moment and not to be resentful at things in the past or future



What does the speaker 's mother mean when she says not to let it live in your head ?