Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: Then in one fluid movement , Vince trailed his fingers along Howard 's stomach into the dark pubic hair , brushing his hand gently over Howard 's penis , and then cupped his balls , hard and tight , in his hand . Howard jumped up in surprise , and stuttered , " What are you doing ? Howard Moon 's not into this ... .no , sir ... " .

Question: Why might Howard have jumped when Vince touched him ?
Howard did n't expect to be fondled .
Howard was surprised by Vince's touch.