Doctor, why does my body burn so badly when you touch me?

But he had done it with Gails predecessor, so he had enough expirience to know how to do it:
A bit of stretching, a good amount of lubrication, and working slowly when doing it for the first time. XXX Since she didn’t plan on dressing up again again she simply threw her dress into the bin. He caressed her face, and when she was about to insert it, her face showed fear of the expected pain. Her answer was mumled, for she still was working his dick with her mouth. Then she started pushing the lump in, and clenched her teeth due to the agony. Since she didn’t plan on dressing up again again she simply threw her dress into the bin.

Doctor, why does my body burn so badly when you touch me?