Thanks for the kind words (((( cinnamongirl )))), (((( Destination )))) and (((( BRA_Lucy ))))! They are very much appreciated!
I, too, very much find that coming to this site and talking about my feelings helps me tremendously. ( And, being able to do so knowing that I wont be burdening anyone, and knowing that I'll meet with understanding, rather than pity is very helpful. " It made me breath better...like a bright light in a dark day. " My thoughts exactly! What a good way to put it, (((( BRA_Lucy ))))!

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I have often found that it is difficult to talk about things like my experience of depression with people who haven't experienced it. Although, on the up-side of that, if I have talked about my experience of depression, it's surprising how many people, who I would never have thought of as " Depressed ", have later quietly come up to me and said things alone the lines of " You know what? Me too..." )
Overall, I wouldn't say that people who haven't experienced depression are necessarily shallow or unsympathetic. I think it's probably more of a variety of responses.
I think there are some people who, unfortunately, are pretty self-centred. They aren't particularly interested in peoples' experience of depression, other peoples' experiences or feelings in general or really much interested in other people at all, unless their own interests are involved. ( Fortunately, I've found people like this to be very much a minority. Although, they do seem to have a rather disquieting talent for edging their way into positions of authority. However, minor that authority will, hopefully, be. )
Then there are people who haven't experienced depression, nobody close to them has experienced depression, so it's not really something that they ever really tend to think about much. ( Perhaps I could use Wales as an example. I was born Welsh, so my experience of being Welsh, living in Wales, working in Wales, etc have been very significant in making me who I am. The same is true for Welsh people in general. However, for the British government in London, Wales is merely one, and not necessarily the most important, of the United Kingdom's concerns. The European Union probably thinks about Wales even less. Afterall, Wales is just one region, of one member-state, of the twenty-seven member-states of the EU. The people running the EU aren't necessarily any more shallow than I am, just because they think about Wales less than Welsh people do. There're just viewing Wales and the Welsh from their own perspective rather than mine or my fellow Welsh people.
And, then again, there are lots of people who are just so run off their feet looking after their own lives, jobs families, etc that they are just fully occupied with that. Or, whatever they use to distract themselves from that or relax after that. Things like sport, or Insert Country Name's Got Talent, etc, etc. In my experience there are lots and lots of people who will be as helpful as they feel that they can be. You just have to ask them clearly enough, because they're so busy.
Perhaps it's a drawback of " Western Civilisation " that so many people find themselves so busy they end up as human " doings " rather than human " beings ".