Because they never existed? When you wish for something so hard, and think about something so much, sometimes the fine lines of reality get blurred. Truth is nobody wants to talk to you, and your imaginary PMs were just that.
Sticky. Top of page. Not fair to ask us to notify you about subscriptions and PMs if the mail is just going to bounce.
Turn them back on in your profile after you put in your new, valid email address. Sorry, but it was the only way to get y'all attentions to fix the problem.