["I'm going to have a baby soon, our third child! I am ecstatic! I think we're done after 3 though. ha ha.", 'Wow the trifecta! Congratulations on that!', "Thank you!  Yes!  It was easier when we had one parent to one child but now its anyone's game with a third in the mix. ha ha."]
Right, I think you are in for a rowdy time for sure!
I'm going to have a baby soon, our third child!  I am ecstatic!  I think we're done after 3 though. ha ha.