Just need somewhere to off-load

Hi all,
I'm not new to MFP. I started using it to count calories and lose weight beginning of the year. The last couple of months though I stopped logging calories, but continued to lose through exercise and watching what I ate. I found myself reading the forums almost daily for motivation and support, and although I didn't post anything, I found I could relate to so many of the topics people posted. I appreciate the honesty and openness that MFP brings out in people, and I think this week I've felt a real need to post something, just because I feel confident I won't be judged or patronised by MFP members, and also more importantly, I think I just need to off-load some of the thoughts in my head, and know that someone, somewhere might just be able to relate. So here goes...
it's been a crap week. Just as I thought I was finally getting a handle on my eating and developing good, healthy diet and exercise habits, the cracks start to show. I start using food as an emotional crutch again, and I feel like I can't be bothered to exercise, even though during and after exercise I always feel so much better physically and emotionally. It doesn't help that my knees have really hurt this week after the exercise that I did manage to do.
I know why I've been emotionally eating. This week the pressures and stress of work have been getting to me. A workload that I can normally cope with has left me feeling flat, tearful, unable to do simple tasks, irritable and wanting to snap at people, which really isn't me at all. I realise these are signs of depression and I should talk to people at work. The problem is, all the reasons I'm under pressure and stress, my managers can't do anything about and they're all experiencing the same problems. I opened up to my husband about how I was feeling, and that did help, but he can't solve my problems for me.
There's also been a major change with very close friends of mine, that has left me feeling sad, unsettled and almost bereft. I'm trying to be there for a friend for support and help, because that's what I always try to do, and he's being very honest with me about what has happened. It's made me question how open I am with people about the way I feel, and I've realised that, while I'm very open with my husband about how I'm feeling, I'm not open with most other people in my life. I seem to always be choosing what I say or don't say to different people in my life, for fear of them worrying, or upsetting them, or offending them, or maybe they'll have negative opinions about me. And as I type this I realise just how tired I am of always putting on a front for other people.
The other realisation this week, amidst the depression at work, is that since losing weight, getting fitter and changing my body shape, I don't always recognise who I am anymore. It may sound crazy, but despite having loads of compliments from people at work about how much better I look now, I kind of miss the old me. At least I knew who I was back then. This new body of mine can do a heck of a lot more, and I can fit into everything in my wardrobe, (first time for 8 years!), but mentally I still think of myself as a big person. I don't know who this 'tall' and 'slim' person is as I'm now described.
Two weeks ago I was doing so well, and I made the mistake of thinking, my diet and exercise is getting easier to handle and I can keep going this time. I felt positive. But I think the accumulation of things at work, events in my personal life and the changes I've made to my lifestyle have all just suddenly hit me. Middle of the week I felt like I was coming apart, like I was going on auto-pilot and my old eating habits were creeping back in. Today I don't feel as bad as that. But I still feel emotionally a bit raw and unsettled, and as if I'm very close to falling off the wagon with my healthier lifestyle.
Thank you if you took the time to read this ramble. I'm not looking for people to solve my problems, and I think MFP members understand that sometimes you just need a safe place to get things off your chest.
On a lighter note, I just want to say how much respect I have for MFP members, for those who post or those like me who mainly stay in the background. We might not always be succeeding every day, but at least we're trying to make changes.