A method to apply the "lottery technique" to overcome an Ugh field might be to report any relevant subgoal to a partner, who decides on a set of rewards and a mode of giving them, whereas each subgoal is a "lottery ticket". This has the advantages: this precise chances of winning are hidden, which may lead to motivation to figure out "the system", there can be hidden prizes and social accountability

You may do likewise for the partner. If this proves successful, it could be facilitated by a website where people track each others goals.