You are better off waiting'till you get married before doing anything stupid.
你如果想做傻事的话,最好等到结婚后。
I imagine it was part of a dinosaur.
我猜那是恐龙的一部分骨骼。
If it is not a question of resting the body, then perhaps it is the brain that needs resting? This might be a plausible hypothesis were it not for two factors.