This could be due to one of the following reasons:
1) Your password is so difficult that you fortgot what it is.
2) Your ex failed to hack your account but screwed you anyway by revoking your access.
3) You entered your pasword wrong too many damn times while tipsy or high.
Mike: Oh, sorry my account was hacked and it's sending viral e-mails to all my contacts. I've been trying to get it back but I think I'll be hot-blocked forever.