Reading just now though, it does look like a lot of people are going with the suicide theory
"Shortly after Flight 370's disappearance, media reports revealed that Captain Zaharie Ahmad Shah's wife and three children moved out of his house the day before the disappearance; and a friend claimed that Captain Shah was seeing another woman and Shah's relationship with her was also in trouble.
[56][57] Claims of domestic problems have been denied by Shah's family.
[58] A fellow pilot and long-time associate of Shah stated the Captain was "terribly upset"
[59] that his marriage was falling apart.
[57] Police were also investigating reports that Shah received a two-minute phone call prior to the flight's departure from an unidentified woman using a mobile phone n