Thanks for posting on the forums!! And for all of the support, it means so much!
It can definitely be tricky to transition a childhood bedroom into a more adult and sophisticated space. If you’re unsure of what you want out of the room right now, I would say to pick out 3 of your favorite room images on Pinterest (check out my boards here!) and see if there are an similarities or common threads between them that can identify elements of your design taste.
From there, you should remove all the furniture from the room and paint the walls a fresh, light color. Having the room empty will help you reimagine the floor plan from a fresh perspective, which will help it feel new and different.
Check out different bedroom layouts and images to see what you like and would work best for you. Some inspo images to get you started: