London-based psychologist Hélene Fermont says that you shouldn't feel guilty about keeping your bank account a secret. Buzz60 Don't let mounting debt be your new normal. In June, cumulative U.S. household debt reached $12.84 trillion, a $114 billion increase from the first quarter. Four-in-5 Americans are in the red, according to data from a LendingTree report provided exclusively to CNBC.com. The loan marketplace surveyed more than 1,000 consumers in July. Scarier still: More than a quarter...