Barbara Bush can’t imagine life without her twin sister, Jenna Bush Hager.

“My sister is my biggest partner,” Barbara, 43, shared in Deborah Roberts’ new book Sisters Loved and Treasured: Stories of Unbreakable Bonds. “In my mind, when we’re old, we’re going to be living together.”

Jenna, 43, added, “That’s our hope.”

While Barbara is older by one minute, she’s quick to praise Jenna as “the partner who was always next to me.”

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Their bond is so strong that Barbara doesn’t want to picture a world where her sister isn’t by her side.

“Frankly, I don’t mean to be morbid, but I hope we die at the same time,” she said in the book. “I’ve never known the world without Jenna in it, and I would be devastated to be in it wit

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