I appreciate your concern about the person whom u r describing about. It would be even more better if you can up the initiative to consult a Psychological Counsellor.

Dear friend, Self talk and crying are symptoms of depression. Try to find out what is worrying her. Talk to her politely to find out the reason. Only then you can help her. Or get help from a professional Wishes

Hi.... Looks like she is in Depression.... Take steps to control stress, to increase your resilience and boost your self-esteem. Reach out to family and friends, especially in times of crisis, to help you weather rough spells. Get treatment at the earliest sign of a problem to help prevent depression from worsening. Consider getting long-term maintenance treatment to help prevent a relapse of symptoms.... Consult Psychiatrist.....