well. my family also had this minhag, and my 18 yr old sis would put up a fit, how it doesn’t make sense and she’s os embaressed about it… till my dear grandpa spoke to her and explained to her the shitah we hold and why this is what we do, and after she gets married iy”h she will not havta light cuz “ishto kegufo”
from that day on…. all was quiet