Discipline gets a lot easier once it stops being a debate.

Most of the effort goes into the argument rather than the activity. You negotiate for twenty minutes about whether to go, build a solid case for tomorrow, feel guilty, then go anyway and find it was fine. The deciding is what wears you down, and it repeats every single time as long as the question stays open.

Close the question on one thing this week. Same time, no vote, no checking how you feel about it first. Doing it unmotivated a few times is what turns it from a decision into a default.