Just one (not so) little thing

"Just one more thing," he said. He unzipped his fly and released his dick. It was already semi-hard, and bigger than she was expecting.

She hadn't seen her brother naked since they'd been toddlers, so the only adult penises she'd seen where her high school boyfriend's and porn. The doctor's dick was much closer to the porn end of the spectrum.

She realized she was staring and looked up at the doctor's grinning face.

"Is there a problem?" He said, "because I thought you really wanted to stay at Altera..."