I don’t just want to recommend books. I want to tell you why these book can be helpful to an INFP personality. Read how each of these books helped me and see if they can help your life in some way. All the reviews are pretty long.
The New Personality Self-Portrait – This book helped me figure out my primary personality styles which influenced how I chose a career and the types of people I wanted in my life.
The 5 Love Languages – I’ve been married 15 years now and I consider this book instrumental in helping me maintain a great relationships.