1.Having a good story and not having someone to tell to is like never having the good story in the first place.
2.Sea leg refers to the ability to talk steadily on the deck of a ship or boat.Hang up means giving up.The phrase means if you decide to give up your "boat" or "ship" life,or if you decide to live on the coast.
3.I'm going to reach the coast.我会达到沿岸.
4.Aren't you ever scared of breaking apart at the thought of it?
Break apart means break into piece 分裂.Doesn't it make you scare even thinking about it?