John Travolta Shares His Secret to Marital Success

John Travolta has revealed the secret behind the success of his marriage to Kelly Preston -- they each keeps lists of what they need from each other. The lists include everything from spending time with each other to sex to what kind of food they want to eat.

Travolta explains, "We make lists of what we need and want from each other and check them regularly,

"We list everything from how much sex to what kind of food we want.

"It's so we can find out what the other needs and that we're going in the right direction. It doesn't sound romantic but it works for us."