Mark was heart broken because him and Amy had broken up because Amy said she just didn't feel the love anymore and didn't want to be in the spotlight and so they broke up leaving mark broken but he tried ingoring it by fouces on videos forgetting to take care of himself but dark his demon ego saw this and he didn't like it so he had been serectly taking care of him,shutting the power off so he will go to bed,cook food and everything for him..start from there