The context of the following conversation is Kai has not shared the news yet because they didn't know how their partner would react.:
Kai says I don't know how to tell my partner about the pregnancy.
The friend responds but you have no choice than to tell him.
Kai responds yes, I'm really not sure how he will react to the news.
The friend responds oh, you guys haven't talked about wanting kids?.
Kai responds no, not yet..
The friend responds I'm sure he'll be excited..