You send e-mails without reading them first because you can always just go back and edit them
You look around in shul trying to determine who people are on the CR.
You have a question in halacha, and think, I must ask Joseph that.
In order of recency:
There may be more out there – who knows?
When you keep posting as soon as you get home.
You know you’ve been spending too much time on the CR when you remember every previous “spending too much time on the CR” thread.