I think it's great that they are not making BoJack "just the douche" character. Backstories help a lot but it's also just about setting up the scene: can people be good in the environment? What are the motivations, challenges, triggers, and obstacles? Who defines happiness?
You were born broken. There is no shame in dying for nothing. 第五集真是so American! 第九集太惨了……太惨了Margo rocks. Single woman at 40, can you afford to be picky? Fuck off. I'm not afraid of being alone.