[ is he spending more time at someone else's treehouse, hm...... ]

Well, maybe it won't stay plain for long. Everyone's houses change and shift with their dreamotion.

[ To answer his question, she leans over the counter and procures another glass. ]

If you don't mind me joining you for one, sure! I regret that our first meeting was a bit strange... I really would like to get to know you in earnest!