Some experts say that you should not even mention the baby until a few weeks before the birth (this can be difficult if your 2 - and - a-half-year-old's favourite hobby is using your pregnant belly as a trampoline, as was my son's!)
Each has his own special — and quite hilarious — ability: For instance, Bombur can be used as a trampoline that enables his companions «belly - bounce» out of danger!