system
impressed: My nephew just started talking in full sentences!  He went from saying almost nothing to having full conversations.
gpt
My nephew just started talking full sentences!
human
How exciting for you. Kids truly are amazing. Now the fun really starts.
gpt
I know, it's so crazy!  He went from saying basically nothing to having full conversations.
human
Now you will have to really be careful what you say around him. They tend to repeat everything they hear when you least suspect it.