You're probably running too fast at the moment. Stretch well (holding the stretch for 20 secs+) twice a day. Make sure your shoes are right.
You WILL be able to run. I'd also recommend cycling as it's non load-bearing.
However you want to dress it up this week the whole point of fad diets it to reduce the intake of calories overall. This is exactly the same as simply eating a bit less.
Calories out > calories in = weight loss over time.
If you call this 'Atkins', 'Dukan', '5-2' or 'cabbage soup' the...
The one thing that everyone always misses in this sort of conversation is time. You cannot and will not lose 3 stone in 2 weeks by eating a bit less and moving a bit more. However, over a year you should be able to lose a fair chunk. It will also give you time to adjust your mindset and you'll...
It doesn't work for you because you don't do it. As you say - no will power. But enough to ask for advice on here and to have weighed yourself, so I reckon it's fair to say you do actually want to do something about it.
Join www.parkrun.org.uk and walk/jog 5k once a week. It's free, really...