You're doing great. Now the kid has harsh and mellow in her vocabulary and has seen them tossed together in a colorful phrase. Half the reason my kid is reading chapter books to herself is because we've read too and with her, the other half is that we use lots of crazy language. I try to use as much varied and creative language with Haz as I can. Vulgar, silly, serious change the grammatical rules, change all of one vowel sound to another and talk that way for 30 minutes until we are cracking each other up trying to make harder goofier sentences.
It's so fun when you notice them purposely using new language. It's even better when you notice them using it naturally. I was talking to her about our friend who is training to become an acupuncturist, what that is, what it's supposed to do how you do it with needles. At the end of the conversation Hazel says, "That Sonija is one sharp lady!" Nice joke kid, keep it up.