When to take a hint.

When the wildlife wants you dead.

"Generally speaking, I'm not one of those jellyfish that gets involved in anything too confrontational, but when you see Ben Southall's insufferable grin floating towards you, your instincts just kick in."

...

Mr Southall said: "It didn't hurt at the time, though I'm pretty sure I heard this tiny, high-pitched voice calling me a 'smug prick'."

... "Actually, come to think of it, ever since I arrived here I've noticed that quite a lot of the flora and fauna have been trying to kill me.

Heh.