Grapefruit enzymes reduce the amount of insulin that the body makes which helps the metabolism stay regulated. A well-regulated metabolism helps you to lose weight faster and more effectively. Scientists do acknowledge that grapefruit has properties that balance out blood sugar levels and help the metabolism.
It's possible your Facebook woes are coming from some sort of malware, be it a keylogger, a trojan, or some other type of virus. Even if you think your computer is clean, it can't hurt to check.
the word pornography comes from the greek for writing about prostitutes however the etymology of the term is not much of a guide to its current usage since many of the things commonly called pornography nowadays are neither literally written nor literally about prostitutes