Emma Heming Willis is opening up about her husband Bruce Willis's dementia symptoms in a new interview with ABC's Diane Sawyer. In a new clip previewed on Good Morning America today, Emma discusses how Bruce's "warm, affectionate" personality has changed since his diagnosis.

Emma Heming Willis opens up about Bruce Willis' dementia diagnosis, caregiving and how it impacted their marriage in 'Emma and Bruce Willis: The Unexpected Journey'