>I'm not sure about Massachusetts, but here in Pennsylvania we only have a maximum of 31 days in a month ;-)

Yeah, but suppose you've got a bootleg list of people's birthdays and your job is to send mass junk mail advertising a party catering outfit and you want to give it that personal customized touch so you want the email subject line to say
'Happy Birthday'.

People do live longer than 31 years in Pennsylvania, don't they?

"The Iron Fish: The water is cold...but the fish don't mind"
...Jay Jenks, boyhood chum