wow loved reading this thread
I don't use habbo, and haven't actively for about 4 years. Habbo may as well be non-existent for me, it's genuinely only Habbox that still keeps me around.
Even though Habbox is barely active, threads don't interest me and the majority of friends I have contact with outside the forum - I still find myself opening the forum just to see what's happening
I think it's impossible to pinpoint an age but it feel it's a lot down to the situation. Obviously the majority of us elders use Habbo(x) as either a force of habit or to socialise with friends, you can't put an age on that