Complex sentence: Tell me the answer and I go "oh" and whack myself on my head which has flattened over the years--small aircraft try to land on it--luckily doctors are conducting clinical trials to fix the round-shoulders flat-head syndrome.
Split into simpler sentences: Tell me the answer and I go "oh" and whack myself on my head which has flattened over the years. Luckily doctors are exploring new methods to fix the round-shoulders flat-head syndrome.