While the phrase is new, the idea certainly isn't. Bodhi can't help the feeling that a lot of his life was lived that way. Leaving aside the fact that lately he's pretty bad at it, prone as he is to forgetting to do things like eat and sleep, or just plain avoiding them, anyway. It was a way to avoid thinking about his willing participation in Imperial atrocities back then, thinking from warm bed to strong drink to holovid distraction. Not much different. He frowns despite his active effort to get along with Jude this time, which feels mostly successful. "That... can be a kriffing lousy way to live. I--It's not that I don't see what you mean, just... It's, um, it's not very... sustainable."
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