Just wondering..

Being genuine?
Yeah, how can you tell?
And how can you survive if you're genuine in this world?
Not to sound like a fanatical idealist or anything, but our world is FAAAAAAAAAAR from genuine.
Or safe, for that matter.

So how do you guard yourself against fakers?
How do you tell if they're really saying the truth?
How can you tell if they really like you?
How can you tell if they really mean it when they say "You're NOT a weirdo"?