you could do a one-click unsubscribe, but then set up a website where that button keeps jumping away from your mouse for 20 minutes, while it's showing you uplifting messages why in fact, you should continue with the subscription. Still, only one click!

Or, follow this maze with your mouse pointer until the unsubscribe button in the middle. If you hover-move across a wall, you need to start from the beginning. Good luck!