Resist! I Can Outlast Her!

You try to find your center, to slow your racing heart. You try counting prime numbers. You think about old people showering. You realize that all those tricks are bullshit and you're about to cum like a firehose!

You stare into Heather's eyes and see the same battle being waged there. She looks like her mind is a million miles away even as her pupils dilate. So you focus on that instead.

'I won't lose to this cunt! I can't! She's just...about...to...!'

Her eyes twitch and you feel her grow larger in your hand before pumping semen out into it. You did it! You won the battle of wills! You only have a few seconds when she'll be weakened.