Finally some more activity from my mouseguest. Awoke once more to rustling and the mouse's attempts to drag kiss under the door (I'd left the plastic bag containing the kisses on the floor as bait). Scurried off when I approached. Snuck back into kiss bag about two or three more times. Every time I approached him in the bag he ran off under my bed. I think he has a hidey hole under there.

Note: I don't actually know the mouse's sex. It's just easier to say he.

No further activity yesterday or today so far. Looks like I may have freaked the little guy so badly he's hiding out right now.