Why don't jokes in base 8 work?

What is Facebook?

Its a Place where Boy posts a JOKE and Gets no Response & If a Girl Posts the same JOKE , She gets Hundreds of likes , comments and Friend Requests and Lots of PM's .

What did the ant whisper into the elephant's ear that made the elephant faint?

I'm going to be the mother of your children." I have no idea whether the joke is lost in translation...

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Why is 8 scared of 7?

Becaauuuussseee 7 8(ate) 9. You get it huh?

Which character do you most identify with?

Ross 8. Which is your least favorite character Ross

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Why is a dog with a lame leg like adding 6 and 7s?

He puts down the three and carries the one.

Why isn't there a Windows 9?

Hey Microsoft, why is there no Windows 9? You've given us 7 and 8, and now you're skipping straight to 10?" "Well, to be completely honest, 7 8 9."