A look inside the marriage of world's richest couple Jeff and MacKenzie Bezos

Jeff Bezos wasn't alone when he made his cross-county road trip to Seattle in 1994. And he wasn't alone when he founded Amazon, now an online retail giant some analysts believe will be the world's first trillion-dollar company.

His wife MacKenzie was there for the whole journey.

In an interview with CBS, she described watching her husband build Amazon up from scratch: "To me watching your spouse, somebody that you love, have an adventure, what is better than that?"

Here's a look inside the 24-year marriage of Jeff and MacKenzie Bezos.

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SEE ALSO: A day in the life of the world's richest person, Jeff Bezos — who made $6.44 billion in one day, wakes up without an alarm, and washes dishes after dinner