Robert Downey Jr.'s Wife Susan Shares the '2-Week Rule' That Keeps Their 18-Year Marriage Strong (Exclusive)
Robert Downey Jr.'s wife Susan tells PEOPLE the family has a '2-week rule' to ensure they are never apart for long stretches at a time.
Robert Downey Jr. and wife Susan pose for unseen family photo with kids Indio, Exton and Avri
MORE: Robert Downey Jr.'s wife Susan reveals major misconception about ... I was very fortunate to grow up in an artistic ...
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Inside Robert Downey Jr. and Wife Susan's Futuristic Malibu Dome House: Our 'Passion Project'
Robert Downey Jr. and his producer wife Susan are opening their doors to give ... use the space to host friends and family who come to visit. RELATED VIDEO: NCIS's Sean Murray Opens the Door ...