In Mauritania, girls are fattened, sometimes forcibly, in order to get them better marriage partners. The practice is known as leblouh. Supposedly, Jewish women in Tunisia were fattened for marriage in the 19th century.
What happens if they didn’t get married right away? Did their family keep feeding them until it happened?
What if they had several daughters of marriageable age? Instead of saving for simchas or seminary, did they invest their resources into plumping up their daughters?
What about Shabbat? You don’t gain weight on Shabbat. How did they manage?