I want to to this now and don't want to forget this later in these special times!
One more thing which makes much more uncomfortable gaving you my creditcard!
For all of you who are interested - from their "payments"-page
"You cannot unsubscribe to JumpStory within the first 48 hours after signup - as described in our Business Terms & Conditions. After the initial 48 hours, an unsubscribe link..."

Will send my cancellation to your support address and really hope this is done!