It’s not exactly a terrific ego-booster to forever be ‘the belly’ – the body part that doesn’t clear the fence last, but still, you’re not the tip end of the nose that always goes first, either. It can make a person feel pretty mediocre at times. Whether it’s on the job, in the family, or simply during playtime, seems you are destined to … just be there, doing important belly work but never a leading part of the whole outfit. And don’t even think about being a nose-tip!

But being last in line doesn’t always feel too great, either, the part that clears the fence last. Fr...