“Because the two people getting “married” may come in to shop for the cake together. Couples often do.”
How do the shop owners know they are not bothers buying a cake for their sister’s wedding?
“How do the shop owners know they are not bothers buying a cake for their sisters wedding?”
Well, suppose they say something like “We’re looking to buy a cake for our wedding. That one in the case looks good, we’ll take it.”