what do you do when you are bored at a party/dinner

So..what do you do when you are bored when you are at a dinner or party with new set of people.

These are what I normally do :

Start looking at the cell phone and wonder why can't someone call me at this time? People call me whenever I am busy but never when I want to pass some time.

An artificial smile offered to everyone who happens to look at me.

Look for any book atleast to pretend that I am reading something.

Start introspection on why can't I mingle with everyone well.

Phew..Am too critical on myself most of the time.
Why do I have this characteristic?

Also....it made me think y'day that if someone is constantly looking at cell phone in my presence..when I am talking...it means..i am boring them..right..hehe...