That's just hypertension, caused by/contributed to by, about 95% of the enjoyable parts of being an adult. Entirely possible to avoid if you love misery.
I miss Ika Musume, it was a fun manga~ Oh well, it can't simply go on forever, so it couldn't be helped that it ended eventually~
I mean, everyone kinda had to do it 5 days in a row back when they were in school, I'm sure she'll manage two days somehow~