Having bought furniture for my own house, and bought furniture for our house in Washington, a furniture store seemed like a good idea, and it also played into my personal history.
It's certainly more interesting for me as an actor, but I think it's also more interesting for the audience to see three-dimensional characters, rather than just a bad guy or a good guy.
Not only the entire ability to think rests on language... but language is also the crux of the misunderstanding of reason with itself.