Why can't I unsubscribe from this "service"?

Why can't I unsubscribe from this "service"?

My question has already been answered. Now I want to unsubscribe, and avoid paying a monthly fee for the rest of my life. I was told that there was a way, but it seems to be as usable as Samsung’s, or worse. Even the “Preview” button doesn’t work.

ANSWERS:

"Hi @applegirl704

Click here > About tab > Edit > Profile tab and delete your email address.

Also select Preferences tab > select the Never option > Save and exit from the page"