"I prefer to call it putting my advantages to good use." The grin he's flashing back at Edgar is certainly hungry but not for blood.

"Allow me to demonstrate," he sticks his head under the water, but surfaces again right away to add as an afterthought, "Oh, and I have very good hearing so make as many sounds as you please, I'll be perfectly able to enjoy them even under water."

With that said, he dives below again. An eruption of bubbles ripples to the surface as Erik purposefully expels all the air from his lungs. Easier to stay down that way. As soon as bubbles are no longer obscuring his view, he reaches to toy with Edgar's cock, fingers grazing over the boxer fabric teasingly. He did say he could stay down here for a while.