As long as you don't view these urges in a negative way, then it's probably just your innate sexuality coming through, which can happen whether or not you are a virgin. It's nothing to be ashamed of, seeing how sexual thoughts and feelings can come out of the blue at just about any time, especially if triggered by certain situations you find exciting.

If you know it's your loneliness that's aggravating your already high sex drive, then what do you think would be the best way to help?