This dream may symbolize your desire to get closer to your idol and crush, both figuratively and literally. The act of changing clothes may represent a desire to change or improve yourself in order to impress them. The secret infirmary room could represent hidden aspects of yourself or your feelings towards your crush that you may not be fully aware of. The dim lighting and ominous atmosphere may suggest feelings of uncertainty or fear about pursuing your crush. The strange noises and banging behind the door could represent your inner turmoil and conflicting emotions. The act of washing and dressing back up may symbolize a desire to present yourself in the best possible light to your crush. The suspicion and running off of your crush could represent your fear of being caught or rejected. Overall, this dream may reflect your subconscious desires and fears surrounding your crush and your desire to explore and understand them more deeply.