What do each of the symbols mean when I spend time with non-player characters?
During these activities you will find options that correspond with the three main attributes: Courage, Empathy, and Knowledge. The green Shield icon indicates a courageous option, the pink Heart icon indicates an empathetic option, and the purple Book icon indicates a knowledgeable option.
You can see your friend's current mood to the left of the screen. Select the option you think will make them respond positively, and give you the best chance of succeeding in the interaction.