I have no problem remembering passwords, just usernames. I've a pretty good memory for stuff like passwords, IP addresses, telephone numbers... whereas my usern

I have no problem remembering passwords, just usernames. I've a pretty good memory for stuff like passwords, IP addresses, telephone numbers... whereas my usernames are usually pretty similar, so I get them confused. Did I use 'corin', 'corin_', 'corincole', or one of my many email addresses?