Brazilian model Gisele Bundchen has said she pays a lot of attention to her NFL star husband Tom Brady and that's been the secret to their successful marriage.

Gisele, 39, is married to Tom, 42, for the past 10 years. "I've been with my husband for more than 12 years now and, as you know, men are very...They want a lot of attention. They're like, they demand...They need a lot of attention, like children do, like your family, your friends," Gisele told the Observer magazine, when asked what she thinks is key to their successful relationship.