>Depression in the family here too, suffered from it intensely myself for a
>while; took some medication; mostly out of it now.

I too have had problems with depression, but not clinical depression.
My situation really was (and is) depressing.

>I'm wondering how many people here started conlanging spontaneously, and
>many got the idea from existing conlangers, like me (whether those were
>conlangers here on the web, or well-known ones like Tolkien and Okrand).

I was interested as a kid, it just took a long time for
me to read up on the subject. I have no idea how I
first became interested.