First of all, I would suggest to you not to take the FB friendships for the real deals. They are mostly not based in reality. Second, is having only 30 friends on FB such a big problem? For me, it would be a blessing. I have 80 to 90 friends on FB (nowadays), but I deleted tons of them before. I rarely accept new friendships because I like to write only to the people I know and those I´ve recently spoken to. It gives me the opportunity to really know them better - like real friends.
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-"Do you expect me to talk?"
-"No, Mr. Bond, I expect you to die!"