You aren't obligated to help others with their problems.
Lee has a friend who is dealing with depression, and she has approached him again for help.
Lee wants to make sure his friend gets help.
Lee suggests that his friend talk to a mental health professional.
Lee takes time and energy for his friend to try to talk things out with her.
Lee's friend takes his advice and gets appropriate help from a qualified doctor.
Lee's friend becomes too dependent on coming to him for help.