I'm going to put it in!

Her light voice sounded like an allure you can't resist. You continue with your ****. "W... Wait... I... Jack..."

You move your hips so that the tip of your cock is rubbing against her entrance. You go to move your hips to begin to fuck her from behind but...

SMACK

You fall back first into the water. "Jack, you jerk! It wasn't supposed to be that way!" She begins to walk out of the water, and gathers her clothes.

It was then you realized, her body just reacted to the feel, and you were about to pray on her in that state. She was awesome, but she was not a slut. Which is a reason you wanted her to begin with. You were a fool for thinking it would be that easy, on the very first day none the less, of your trip. Perhaps you should have been wiser about your choices...