Natsu heard the man fall but he was in the river so he'd make it just fine. Right now he was far more keen to get as much of his fill of Lucy as possible.

"Well then I'm glad to hear that~" he chuckled and actually pecked her on the lips so quick someone might have missed it.

"That's it alright. Fairy Tail." He confirmed what the kids were saying, nodding with such pride.