The 90-Day Happiness Journal: The scientific solution for a life of happiness
A science-backed 90-day journal offering daily exercises and reflections to help cultivate lasting happiness and positive habits.
About This Book
The 90-Day Happiness Journal presents a structured approach to building happiness through daily practices.
Based on scientific research, the journal guides users through evidence-based exercises over three months.
Each day offers prompts and reflections designed to foster positive habits and mindset shifts.
Authored by Prof. Dr. Detlef Beeker, the program emphasizes measurable progress toward improved well-being.
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