~The Clue~

Mary spent basically her whole life in a mental hospital, But she fell in love with one of the doctors but soon that turned into a bittersweet love which ended in her pregnancy of her son Elliot. He was born while Mary was still in the hospital ,which she was soon released from after The birth of her baby boy,
12 years later Mary is dying of am unknown condition. One day her son Elliot decides to visit his mother in the hospital, at the end of the visit elliot goes to hug his mother when she whisper
In his ear " I'm not as crazy as everyone says I am, track my steps come find me" the next day she died
When the funeral come the son released that it was a closed casket funeral, days go by and all Elliot can think ok is what his mom said so he decides that he's going to do something very illegal , dig up her grave, as he opened the casket expecting to see his mothers lifeless body lay, There was only her mental hospital wrist band laying in the casket, the next day he checked himself into the same hospital.
Are there more clues
Or will he go insane
Just like his mother