Anxiety, exhaustion: This is how Prince William is dealing with Princess Kate and King Charles' cancer diagnosis. As heir to the throne, he not only has to show strength, but also has responsibility for his children and the crown.

What saves William now is the fact that he has a strong marriage with Kate, explains Louella Alderson. This could be a source of strength for the Prince in this difficult time. Prince William will likely “keep a straight face” to support his wife and father, a relationship expert said.