Well... When it comes to things like magic, but also the flora and fauna, it can be tricky when you don't know what to expect.

[The fun of the surprise isn't always all that fun, he's come to find. It's not usually terrible, but it can be uncomfortable and/or unpleasant.]

For example: getting in water that makes you aggressive, or being bitten by a bug that makes you... [Quick, what's a polite word for it?] ... cuddly.