I was thinking the same thing, I did really well the 1st time, 22lbs in 20 days, not one cheat stuck at it like glue. I then had to come off as I was unwell not Dukan related. I introduced fruit but not starchy carbs and slowly it crept on....
It's been 2 months and I have started once again. No cheating and I'm losing SO much slower... It's been 2 weeks and only lost 4lbs .... I'm wondering it's a 1 timer body shocker and now 2nd time around it's not as shocking!!!!
Any ideas as to why?