This is from the academic article I mentioned in the episode:
"...a clean-shaven man was sociable and reliable. A mustached man, by contrast, demonstrated a willful independence that did not engender confidence in [a young woman's] mind." (Christopher Oldstone-Moore, "Mustaches and Masculine Codes in Early Twentieth-Century America," Journal of Social History 45, no. 1)
This is from the academic article I mentioned in the episode:
"...a clean-shaven man was sociable and reliable. A mustached man, by contrast, demonstrated a willful independence that did not engender confidence in [a young woman's] mind." (Christopher Oldstone-Moore, "Mustaches and Masculine Codes in Early Twentieth-Century America," Journal of Social History 45, no. 1)
“School” was my first guess for zoo!
I love her giggle.