elninobonito - I would also recommend trying cycling, or using an exercise bike as you can do just as much of a workout as running, but doesn't put anywhere near as much pressure on joints and muscles as it does pounding the pavements. I do a lot of spin classes at the gym and it has got me much...
Forgot to add, not interested in any fad diets like the 5:2 one at all, can't see that it's sustainable or good for your body if you exercise regularly and need to fuel your body properly. If you're not exercising and just want to lose some flab then can see how it'd work, but I just can't see...
I started using Myfitnesspal at the start of the year and it worked really well for me. Found it made such a difference seeing the numbers adding up and what I previously thought was fine to eat, perhaps wasn't so great i.e. lots of fruit. If you are burning the sugar energy off soon after...