The Cost of Survival
If Mabel misjudged and let Chloe marry a guy, only to find his family was scum who would sell her for supplies or treat her like dirt, that would ruin her life!
In the neighborhood, there were plenty of cases where weak daughters-in-law with no family nearby got their food cut by everyone, including the husband.
Some even pushed their own daughters to sleep with other men for rations.
Mabel wasn't