What is the meaning of gatsby's statement to tom i'm right across from you?

Gatsby making a statement about his status (he's the one holding the parties at the mansion across the water from Daisy and Tom's house)

Iwould say you should mainly cover the areas about how it has no health issues or concerns, and also cover the cost, and benefits.

The details that best show evidence of tribal traditions are, "never in the history of his people had a man married a woman who spoke a different tongue” and "it has never been heard," was the verdict of an old man speaking a few weeks later.