I'm going to put another suggestion out there.  It is just to put the other side, I don't really know what I would do if I was you.

One of things I keep reading about depression is that you don't think things are wrong, or if you do think something is wrong you resist medication.  You appear to be resisting medication, you want to cope without, but you also sound like you might not be coping.

However I wouldn't get onto meds based on the assessment of one person.  Instead I'd get some other medical opinions - I'd also set myself points in my diary (actually written in) where I would sit myself down and be honest about how I am feeling.

I was a little concerned that you feel you have to do this alone - again I notice that lots of people report their depressed other halves have wanted to 'fix this on their own' - is this another sign?

I remember at the beginning I would wonder if I was depressed or just grieveing - it was grief every time - and I knew it because when I looked at the list of symptoms of depression I didn't have any of them.  I coped by starting small (getting up, getting dressed, going to work) and then I added things like doing stuff that maked me happy before.  I created a list of things I wanted to do and I slowly began working to do them, some will take months but give me purpose, others are quick hits.

Are there more natural remedies that work on relieving depression?  Perhaps you could start with those over medical prescriptions.

Good Luck on whatever decision you make, nothing is permenant, so you can always change you mind as you go along.
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