Below is a set of skills that makes you a passionate UX designer. These skills are truly simple to learn and adopt in your design process.
A must skill for UX designers is to do research, and do it at all the time. Keep yourself up to date with latest trends. Spend the maximum time you can to explore upcoming designs, techniques and tools in your field. Always compare the knowledge that you are attaining each day and see how quickly things are evolving. (Usually very quickly)
Its a great feeling when all that research and effort clicks, and falls into place.