Depends if the miles used are the same gender as the passenger flying.
You also want the date of birth to be an uneven number, as 2011 also isn't even.
A. I didn't know miles had a gender.
B. I didn't know miles had a date of birth. (Although if beer does, why shouldn't they.) My, I have so much to learn.
You must have clicked on my link in the BMI thread.