I have a question about our spirits. Does our spirit look just like the age we were when we died? What about a baby, does his spirit look like the age of his or her prime, whatever age that may be? Thanks,
Remember that we are spirit children of our Father in Heaven. There we were born of Heavenly Parents and grew to the maturity of our spiritual stature. A spirit is a material being, but the spiritual matter is so refined and pure that we cannot see it with our mortal eyes.
There is no such thing as immaterial matter. All spirit is matter, but it is more fine or pure, and can only be discerned by purer eyes; We cannot see it; but when our bodies are purified we shall see that it is all matter (D&C 131:7-8).
When an infant mortal is born, the pre-existing fully developed spirit enters the mortal body giving it independent life. During mortality the spirit inhabiting the body does not change physical form. So, when an infant dies, the mature spirit returns to the spirit world; when an old person dies, the mature spirit returns to the spirit world-both in essentially the same form as when they entered the body at birth. Archibald F. Bennett, in Saviors on Mount Zion, p.5, described the spirit thus:
“Your spirit body, which reached development there, is in appearance the exact counterpart of your earthly body as the latter will appear in perfect maturity, in full vigor of health and bloom of youth. So far as your mortal body is normal, undeformed and unimpaired with blemish, it is in the likeness of your spirit body which tenants it. The spirit body shapes the growing body, of flesh and bone to resemble itself.”