Madness string 3161

Random mermaid
Go on, then. You will find the keys to the cupboard behind he who reigns king of the sandcastle. Riddle? Sort of. But you'll see what I mean. Pass the gates, find the mongoose, and you shall see.

I think you are far overthinking this. If he's one of the sweetest, most caring people you know, I'd say that's likely a reflection of how he was raised by his parents.