>>. I just make this stuff up as I go along.<<

No, really? LOL. Sorry... guess I shoulda added "Professional driver on closed course. Do not think about this stuff at home." [vbg]

Hume sez: no nexus between cause and effect. When we consistently observe B after observing A, an association [aka correlation] of ideas is created. Saying 'A causes B' is simply a result of the habit of this regular association. I call this a 'hardening of ideas'. [g] Though current neural learning theory seems to lend it some support.

Now back to our regularly scheduled programming...