The physical side of Kallmanns can be managed. If you have Brittle bones it can be harder than if not, but it's the emotional side that can be difficult. Kallmanns is rare, it can leave you feeling Isolated, lonely outcast, defective. Your body doesn't work. You aren't able to do the basic things that your body should just do. Conceiving a child. Having a family becomes a missive medical procedure. Nothing is natural.