Voice
You can read the rest of her article here https://sk.sagepub.com/reference/communicationtheory/n275.xml
There is a great deal of para-language in Facade.
Sometimes, instead of speaking, Trip and Grace will just groan or sigh at each other.
According to Albert Mehrabian's 7-38-55 Rule of Personal Communication, 38% of communication is paralanguage.
By playing Facade, readers may find themselves better understanding paralanguage, or knowing how or when to use it.
Here is a short example of Grace and her paralanguage:
It is important to listen to conversations in Facade, because you are expected to respond (like in real life). Not only are you expected to respond, but your words have a very great impact on how the story flows. Saying something hateful or disrespectful may get you kicked out, while saying something meaningful or understanding may make the situation between the couple better.