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When you're about to chat someone on Facebook and the second you click their name, they vanish like a fart in a hurricane. It's either Facebook's broken ass system or they knew you were coming and logged off just to be a huge pain in the ass.
Just clicked Sarah's name... and she's gone. Typical.
I was about to ask Jake out... and he went offline. Of. Course.
Clicked Lisa's name... she vanished. Like she had a remote control.