NEWSSeal & Heidi: Her Sexy Secret!
June 30 2008, Published 1:00 p.m. ET
How does Heidi Klum keep her three-year marriage to Seal going strong?
"There are many, many things," the Project Runway host,35, told OK!. "But I would say love is the most important thing."
A hearty appetite to keep her stamina up doesn't hurt either! Heidi stays true to her German roots, opting for "strudels and schnitzels and knupa, which are these little potato balls."
On top of that, an insider adds that the supermodel also keeps her energy up by drinking EBOOST before and after workouts.
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This summer, Heidi and Seal will take some time to relax with their family, which include children Leni, 4, Henry, 2, and Johan, 19 months, but they're staying mum on the location.
"I'm not telling anyone because we want to stay there alone!"
