Symptoms: Causes you
1. To send the same message twice.
2. To send a blank message.
3. To send a message to the wrong person.
4. To send it back to the person who sent it to you.
5. To forget to attach the attachment.
6. To hit SEND before you've finished.
7. To hit DELETE instead of SEND.
8. To SEND when you should DELETE.
It is called the C-NILE virus! If you cannot admit to doing the above, you have obviously caught the mutated strain — the D-NILE virus.