García Abad delves into the intimate circle of the King, identifying the departure of key figures as a primary cause of his "solitude".

Ultimately, La soledad del Rey serves as a prophetic warning. By analyzing the lives of the Infantas and the then-Prince , García Abad questions the long-term viability of an institution that seemed to rely more on the personal popularity of Juan Carlos ("Juancarlismo") than on a genuine monarchist conviction among the Spanish public.

: The book highlights the King's strained relationships with political leaders, particularly his "lack of synchronization" with President José María Aznar , which further alienated the Crown from the executive power center. Personal Isolation and the "Guardians"