Are they for girls? Only girls? This is all very mysterious stuff to Shinji, though he doesn't doubt Kyoko's judgment. The notion of the 'sleepover police' pulls a single, small laugh from him, effectively putting a stop to whatever questions about slumber parties he may have had.

"Ahh, well, if it is too big of a deal, I guess... we could try and just huddle on the couch, instead?"

Would that be better than being cozy on a bed? Less embarrassing? More... party-ish?