Sayuri had gotten herself a pad and new panties. Somehow, she knew what she was doing and that she didn't really prefer tampons, since you had to, you know... stick them somewhere.
With nothing covering her new white panties, she turned around and tilted her head to one side and eyed Gale curiously. 
"What the heck? Only girls get them, you should know that. Guys don't get them. They couldn't. Girls have ovaries and guys have testicles... wait... why wouldn't you know that...?"

Now Sayuri was honestly confused and didn't know what to make of Gale's statement. To be honest, it sounded a lot like as if he knew what periods were... personally...