Never let a guest stand alone. Guests should always be made to feel welcome. If you see a stranger, (or even a new member) standing alone, introduce yourself and include them in the converstaion. This is not only a function of good business, but of manners.
The Definition of Success
What defines success for you? Is it a prestigious title? A new expensive car? Maybe it’s the size of your bank account, a large 401k, or...