情不自禁的意思是啥

一位留学后移民美国的中国同志，他和他的同性伴侣在美国通过代孕生子创造了一个彻底的现代家庭。但现在他的难题是如何向他那非常传统的中国父母和亲戚介绍自己的伴侣和孩子...…。Based on an astonishing true incident that took place on the frigid seas off Iceland in 1984, The Deep fashions a modern-day everyman myth about the sole survivor of a shipwreck, whose superhuman will to survive made him both an inexplicable scientific phenomenon and a genuine national hero.。