His Name
Are you certain that the Prince of Wales would one day take the throne? No one of us knows how to answer that. However, it will be a constant point of contention between [Charles and I] in the future. Being the Prince of Wales is an equally difficult task, as even being king is.
Her Title
It became clear when Diana commented on this: ‘being the Prince of Wales offers greater independence, but being king may be quite constricting.’ I realize he wouldn’t be able to take the responsibility.