i think you just need to accept your inner bad pun writer.

I DON'T THINK KAIDAN HAS MUCH OF AN OPINION ON ALL OF SHEPARD'S ADOPTED CHILDREN, AT THIS POINT? The Garrus thing needs to be talked about and that could easily segue into all the other issues he's got right now.

I can have him make a post asking to speak with her in private. Ooor could do a log where he pings her with a "we need to talk" and a meeting place :S