
He explained to Britain's OK! magazine: "If I ever decided to go to a psychiatrist, it would be a long session. I have always thought that I do have a number of issues that probably need dealing with, because I am quite odd in some ways.
"I get very dark moods for no reason. I just sit on my own for days. I'm not sitting in a darkened room rocking"
Simon ' who is engaged to make-up artist Mezhgan Hussainy ' confessed he can even find himself not feeling positive about life when things are going really well.
He added: "Things might have gone really well and then I torture myself. I have to find something to make me miserable."
The TV star is currently finalising plans for his new US version of pop star search show 'The X Factor'.