You know you are a Geek when you spent 18+ hours in front of the computer screen.
You know you are a Geek when you sleep less than 7 hours.
You know you are a Geek when you talk about Whidbey with your 4 year old cousin.
You know you are a Geek when you send
while(0<1)
{
Console.WriteLine("I love you !");
}
as a love letter to your fiance.
You know you are a Geek when you check your email 100 times a day.
You know you are a Geek when your password is in Hexadecimal.