The reason? To throw off spam.
Once he nears the 20-month mark, it seems like the spam emails to his account become overwhelming. He's constantly deleting emails, especially from mailing lists he can't seem to unsubscribe from. Rather than escalate a call to a company about why their unsubscribe button doesn't work, he just leaves that tarnished digital life behind and starts anew.
I have to admit: It seems a little overkill. Changing your email address and updating all the important parties — friends and family, banks, and mailing lists you actually like — is a headache. But I bet my friend is not totally alone in his nomadic digital lifestyle.
Barring some sort of major change — like changing your name for marriage or graduating from your university email account — how often do you or have you changed your email address? Never? Once every few years? Share your story in the comments.