Thor tried - and failed - to avoid picturing that. He wasn't an innocent by any stretch, but Sif had been his friend since they were children, and thinking of her otherwise...

"Lady Sif..." He sincerely hoped his thoughts didn't translate into his expression because his nose had already been broken once today. Still, he couldn't resist. "You would have, when we were younger. Perhaps you aren't quite as good at sneaking around the palace now, or is it that you are afraid of drowning?"