Why can't I stop watching, even when I'm not enjoying it?

Notice what you said: the watching continues past tired, past enjoying, past sense. That gap — between what you're doing and what would actually serve you — is worth naming clearly. The part of you that noticed the gap and can describe it this precisely is not the same part that keeps pressing play. One is watching. One is choosing. They are not the same thing, and the confusion between them is the whole problem. This is not a failure of character. Minds move toward whatever groove has been worn deepest, the same way water finds the same channel each time it rains. Watching has worn a deep channel. It will not be argued out of existence in a moment of fatigue at 11pm. It has to be met with a counter-practice, repeated, at a time when your judgment is clear rather than clouded. Doing this with others changes the mechanics, not just the mood. A pod or partner gives you an outside witness when your own witness is too tired to hold the line. Alone, the tired mind negotiates with itself and wins. With others, someone else holds the boundary you set when you were clear-headed.