This is real life™, it's what we've all been waiting for! I think it's a really good sign if you're thinking of your relationship around these terms. Life isn't always about thrills and excitement.
Srsly, I have this very same issue and I only have ONE man and NO kids (but I do have a few dozen cats, so work is never done).
Is Mono going to sleep in your bed? I bet he won't want to.
Maybe Mono and T can cook or bake something together for the three of you to enjoy when you're done with chores.