Let me start by saying this is an experiment, and I have no idea if it will work!
I made a thread called 'Shit, I'm obese'. It was about getting onto the scales and finding out that I was far more overweight than I had realised. A bunch of other Mumsnetters joined in, very sympathetically, to say they'd been through the same thing, but had lost weight and I shouldn't despair. Others posted that they were in the same place as I was, and that they wanted to lose weight too. Some said that they didn't have problems with weight loss, but they had other goals they wanted to reach.
This has just made me think- rather than having weight loss threads with a one-eyed focus on pounds and ounces, why don't we have a thread devoted to wellbeing more generally? That means fitness, healthy eating, happiness, self-development, and generally feeling comfortable and at peace with ourselves. It can mean learning to run or to do yoga, or fulfilling a life ambition, reaching a career goal, or getting a qualification. It might mean anything from tidying and sorting the house to huge emotional steps - leaving a bad relationship, or finding a good one.
It can, in fact, mean achieving ANY goal that is related to self-care and that can be reached by steady baby steps each day, with the help of a supportive bunch of people. 
I also thought it would be good if we had a kind of "base" activity. This is a first step, but also something to do when things get overwhelming. When everything feels too much and you feel like giving up. When you're having a really bad day and are tempted to do something that doesn't care for yourself. It had to be something simple, straightforward, quick and accessible to most people, but that would be a tiny thing to look after yourself when the chips are down. So I settled on the idea of drinking a glass of water (hydration is important, right?!!). The point is that if you take even a little step, like drinking a tiny bit more fluid, you can feel just a bit better - and that this makes taking other steps a bit easier too.
Anyone with me?