try to blend..
look knowing and listen more than u say.
(Me one hour late for a party,, thats a good one)
Use general agreeing comments until you get the drift,
don't say anything you can't retract later or explain its double meaning, ie of course I meant the opposite der...
Drink heavily the world becomes much clearer and people will think you've been there since the beginning,,, to get in that state.
At this point you won't care. x