This is the classical mistake of a beginner
==> I hope other beginner see it and learn from it.
PS: it is good to know that you can see see Count of function if you press F11.
On this way I saw the reason of the bug.
Yes! That's how I've learned too. I remember when I first faced this problem back in 2009

But probably newbies won't learn from your experience, at least most of them, cause they mostly learn on their own mistakes, almost all of us did when we just started
