Superstition.
“In your country, they say you show ghosts silver and they will not bother you.” -her
“They do? I thought it was garlic?” -me
“No, my brother say we put silver on my dog so the ghosts do not touch her.” -her
“Oh, thats probably good anyways for her to have a tag.” -me
“In my country, we say you put like this (points to exposed wires) around their neck to protect them, so we did that, too.” -her