Related:

• You know you've been hacking too long when... ...you can remember your ethernet hardware address.
• You know you've been hacking too long when... ...you check your email more often than your paper mail, and you remember your network address faster than your postal one.
• You know you've been hacking too long when... ...you order on the phone from a catalog, and start to give the operator your email address.
• You know you've been hacking too long when... ...you get snail mail, and you think to your self "You have new mail on node "your_address" from user "name_on_the_frank".
• You know you've been hacking too long when... ...you're hacking on a project late at nigh
  you are trying to get at some munchies, and you are having problems opening them (fingers stay in keyboard mode) and you think...
• You know you've been hacking too long when... ...you hear your alarm, but can't seem to get fully awake until you successfully page your left arm back in from swap space.
• You know you've been hacking too long when... ...people talk to you while you're trying to work, and you think, "mesg n".
• You know you've been hacking too long when... ...you wonder why you can't just go
  leep 28800& and go on with your hacking?...
• You know you've been hacking too long when... ...you count things on your fingers in binary.