What is the source and reason for a couple not to see one another before the wedding?
The Shulhan Aruch records the custom of placing one's hand over his eyes in Shema in order to increase concentration. What about someone who wears glasses? Must he move them or remove them?
I have heard that some people do not allow a child to see his or her reflection in a mirror before they can speak (or say their name, possibly). Is there any traditional source for this practice?