Did Charles Really Care for Diana?

The queen chose Diana, I think, because she was like a she was related to the royal family in some way. She believed that when Charles and herself got married, that it was a genuine marriage of love. But I'm afraid she was wrong. It was, it was an organized marriage. Did Charles really care for her? Or did he do it because it was his duty to do it?I think perhaps he cared for her in the beginning. But in the end, it seemed that his true love was this woman Camilla"