A common explanation is that we eat latkes (potato pancakes) because they are cooked in oil and this remind us of the miracle that a single cruse of oil found in the Temple lasted for eight nights.
For some children, finding out that the tooth fairy isn't real is the final straw.
“We kindle these lights to commemorate the miracles and the wonders”
הנרות הללו אנו מדליקין על הניסים והנפלאות
I am, and have always been, Jewish, but I was raised in a household with a father who was secularly Christian. We “celebrated” Christmas and Easter, but never went to church. We put up a tree but did not speak of Jesus. We colored eggs but did not discuss resurrections.