SingSmileShine, I like your attitude very much ^__^
"A depressed Four is more likely to be feeling serious disturbances in emotional tone. Tears, sadness, acting out etc." ~Yeah, I'd say that's how I experience/d depression. (Was severe for much of last year, now mild and occasionally moderate, as it's been since mid-adolescence.) There was the whole "lack of interest" thing in a way, but it was more a case of being overwhelmed/occupied by emotional pain to a degree where I just didn't have the resources left to do things, so...more of a secondary problem rather than the primary one it seems to be in the "dry depression" described. Really, I do wish the condition would fuck off, as I'm sure most people prone to it do XD But I'm coping, so it's pretty good.
Anxiety is also an issue: in personality theory terms, it seems to be associated with the instincts, and a repression/denial of related needs. Essentially, I was pretty off-kilter and out of touch with myself for the majority of my adolescence--to an extent that, when I first got into Enneagram, my behavioural pattern was such that I was sure I had to be sp-first (very withdrawn and avoidant, repressing need for intensity, highly concerned with the social sphere but in denial about this and "spiting" others by denying them my presence, etc).
..Yeah. I could go on, but am tired. May elaborate more on the latter point later.