With four children and a fifth on the way, I have had to deal with a strange phenomenon a fair few times these past seven years. At some point in pregnancy, the back changes shape, and I lose about an inch in height for a few months. When I was a child, I was afraid of growing older when I aged. One of my relatives made a passing remark once that people shrink when they get old. This fear manifested in late childhood when my cousins and I sprouted right past our 5’2” aunties. Oh no! I thought. My tall aunts have all shrunk already (you know, in their late 20s). Even though I knew better, the old silly idea popped back up again when…