Then at the last possible second she said:
"Wait! You'd better pull out for a second!"
And then she proceeded to writhe sensually in front of him while he stood there getting more and more excited.
Despite the lack of his usual triggers, Tom had felt like he was very close to cumming, and Silvie made him pull out at the last second. Now he stared at her pussy wanting desperately to be back inside of it and to feel it's hot, wet, tightness! It was maddening for him.