Christmas Buzzkill courtesy of John of the Cross

And others you will see adorned with agnusdeis and relics and tokens,like children with trinkets. Here I condemn the attachment of the heart, and the affection which they have for the nature, multitude and curiosity of these things, inasmuch as it is quite contrary to poverty of spirit which considers only the substance of devotion, makes use only of what suffices for that end and grows weary of this other kind of multiplicity and curiosity. For true devotion must issue from the heart, and consist in the truth and substances alone of what is represented by spiritual things; all the rest is affection and attachment proceeding from imperfection; and in order that one may pass to any kind of perfection it is necessary for such desires to be killed.
Dark Night of the Soul, Chapter 3