It is wrong to not support people with mental illnesses.
Susan's friend Mary has got into a depression due to loss of her mom recently and Mary needs help from Susan.
Susan wants to react to Mary's situation.
Susan suggests Mary to get help from a mental health doctor and spends time with her when necessary.
Susan finds Mary to be increasingly annoying and dependent on her, so she stays away from Mary.
Mary thanks Susan for her advice and gets a proper mental healthcare.
Mary feels unsupported and wants to commit suicide.