King Charles III has always been supportive of Kate Middleton.
Body language expert Judi James analyzed the relationship between Charles and Kate.
James describes the relationship as a "slow-burn friendship".
Charles is known to prefer the company of paternal and intellectual figures.
Kate does not share Charles' interest in horse-related sports.
Kate has the ability to grab attention but also flatter Charles without looking subservient.
James says Kate makes Charles look like the most important royal when they appear together.
Kate could have provided a risk to Charles as she has star quality and could upstage him.
Despite this, Charles has developed a fondness for Kate over time.