[Her eyes never leave him as he explains, even as she leads them over the threshold to follow into the tree, but her expression is teeming with surprise and affection, if more of the latter is even possible.

Of course this is something that he's thought about at length. It's sweet, and Tifa's hand squeezes around his.]

I think... that's a great idea.

[While it is nice to have their privacy from time to time, expanding the house to include a lower floor for them to take up isn't a bad idea.

It would certainly help make this part easier and it would free up time that they could be spending together as a family instead.

And it's clear from her expression that it has the gears turning in her head with ideas...]

We could make it a little space just for them! Build some stuff into the tree. Like... beds and places to play...!