Between his alternate self's son with Parker, some alternate Bridge's son with Marie, and the much more surprise appearance of a daughter who Xander was still having trouble believing was possible, he was operating completely on go-with-the-flow logic at this point.

So after a long afternoon in the Park with all three of them, and calls to certain people's alterna-moms, MCA #0 had suddenly turned into YMCA #0 for the night. The couch in the living room was folded out into a bed, extra sleeping bags were strewn on the floor, popcorn had been popped, and hot cocoa was currently waiting to cool down.
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[OOC: For the extended Carson and Harris brood.]

Xander was slouched on the sofa studying the layout of the building, wondering if he could get away with adding another wing or something to deal with the slow but steady stream of new townies that seemed to be trickling in, considering that Giles had filled the last available apartment and with the landing pad on the roof it wasn't like he could build up.

He wasn't using it as an excuse to have something to stare at besides the wall while he obssessed about various conversations, some of them more unsettling (and less one-sided) than others. At all.
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[OOC: For a specific visitrix.]