My entry for your consideration <3
This was a tough choice, as I could also have entered other addictions, like abstract art painting, collecting and painting stones, photography, being in nature, being with animals...all of which I can't (or won't!) live without - but as this is probably my most 'unusual' addiction, let's go with the feets!
https://steemit.com/myaddictioncontest/@jaytaylor/my-addiction-being-barefoot