Yes being constantly logged out of FitDay regardless of whether I tick "remember me" or not has been a constant source of frustration for me for many months now. It would be good if the logged on sessions would expire a LOT later than they are, which seems to after around 15mins at this point.
Aug 1st 2013: 156.2lbs (Start Weight)
Jul 1st 2014: 104lbs (and 42 inches lost)
Goal Weight: 101.8lbs (reached July 23rd 2014)