("I told you to put it on, didn't I?")—is frequently associated with adult anime (hentai) tropes . It has become a "sound" or meme used to signal: The "Yandere" or "Irate" Archetype:

The phrase is:

In a stationery context—specifically with mechanical pencils— gomu often refers to the .

In many cultures, including Japan, discussing sexual health can sometimes feel awkward or "mood-killing." However, being clear about your expectations is the only way to ensure both partners are on the same page.

Japanese often drops the subject. It could be:

Some worry they will seem "too prepared" or "distrusting."