Normal people don't get up hours before they have to be in detention just to pick out what clothes they're gonna wear, do they?⁽¹⁾

Normal people probably wouldn't choose the color of their shirt based on what might seem to be ulterior motives, either.

And they definitely wouldn't spend the next couple of hours quietly playing Spider Solitaire and vaguely fretting that the guy running detention might be disappointed in them for landing there.⁽²⁾

So it's a good thing Xander didn't do any of that. Yup.
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⁽¹⁾ Well, Willow would, but that'd be mostly to keep her from freaking out over ZOMG a detention, now I'll never get into Oxford!oneoneoneexclamationpoint. Only without the ones.
⁽²⁾ Well, Willow would, but...
⁽³⁾ Well, aside from the sudden freaky channel-changing powers, but those are, like, sorta useful, so Xander doesn't expect them to last long.