Understanding how the human mind works is essential.
๐ย https://growth.design/psychology
๐ย https://lawsofux.com/
๐ย https://blog.prototypr.io/gestalt-principles-applied-to-ux-design-af47bcf4bd28
Anything else thatโs interesting and doesnโt fall under the above-mentioned categories.
Keep searching!
๐ย About Face by Alan Cooper
๐ย Designing for Emotion by Aarron Walter
๐ย Laws of UX by Jon Yablonski