This isn't the first time we have heard this.....

The line between being happy and unhappy is . . . a household income of $50,000

People making more than that were more likely to say they're happy, more likely to be optimistic, more likely to have an active sex life, and more likely to feel younger. 

Also, they're four times less likely to have trouble paying their mortgage or rent.

Overall, about 93 million U.S. households have incomes under $50,000, and 60 million have incomes above that. 

(Home Instead)