It all starts with your physical surroundings. What you see around you is what you ingest in that power brain of yours. Just pick one corner
Let me expand on that by showing you a before & after picture of my small bathroom in my tiny humble adobe. Clearly, it could use some space organization & what better than this Wayfair item on sale : https://www.wayfair.com/Steelside%E2%84%A2–Nina-25.2-W-x-61.4-H-x-11.8-D-OverTheToilet-Storage-X111001059-L3764-K~W000990948.html