You should have known from the start that he was trouble. Why would a fish invite you in anyway? When you are older you’ll understand that nobody is to be trusted, but right now you are young and you are foolish and dawn is fast approaching.
So you let him lead.
As you do for days.
He teaches you things. Most are useful. How to pick locks. How to slip jewelry right off a troll’s wrist without them noticing and where you can sell it without raising questions.
It’s not until the fourth night with him that he offers up his final lesson.