Proposal
Safe to say, it wasn't just once.
There was no way: Naia just had a way of filling him up until it was painful, whether or not she did it on purpose.
Fortunately, they hurried and managed to catch the sunset.
Leon carried her as they ran, and they paused their steps at the wonderful view of the reddish skies reflected on the still waters.
Leon gently let her down. Hands intertwined, they made their way to the river side, which was really peaceful and quiet for the most part.
He purposely chose a weekday so that there were barely any people there, unlike the weekends wherein (according to the internet) there would be families playing around at this time.
There were still a couple of people around, of course, but it was few enough to feel they had their area to themselves.