QUOTE (kev211 @ Mar 10, 2010 -> 03:06 AM)
Also to the writers are making this up as they go along crowd. Jack tried committing suicide in the season 3 finale only to be stopped by that car accident. John Locke tried committing suicide last season, but then Ben showed up to stop it. So maybe it's not the best evidence, but Richard said they cannot commit suicide if they've been touched by Jacob and thats been backed up by the past episodes.
I thought that too... and so did Jack