People say the effect is only on the mind. It is no such thing. The effect is on the body, too. Little as we know about the way in which we are affected by form, by colour, and light, we do know this, that they have an actual physical effect. Variety of form and brilliancy of colour in the objects presented to patients, are actual means of recovery.
In thy apparel avoid singularity, profuseness, and gaudiness. Be not too early in the fashion, nor too late. Decency is half way between affectation and neglect. The body is the shell of the soul, apparel is the husk of that shell; the husk often tells you what the kernel is.