Not all of us would - and some of Matthew's fellow skaters at the park questioned his returning the wallet. But the teenager was pretty assertive about where he stood: "I'm not like you guys, I don't steal," he retorted.
For lots of people in Wanganui, it would be hard to return $500. It's a significant sum - practically a small fortune - and would go a long way in some households.
Honesty is easily talked or preached about but can be a hard thing to practise. We can be a bit of a finders-keepers society sometimes. And as youngsters, many of us may have been marched back into sweet shops to return ill-gotten gains or caught out in other ways. What's more, there's very little in popular culture these days that provides a moral compass, perhaps unlike past generations who had fables and other sources of influence.
But the thing about Matthew's action was there was no hesitation. He knew what was right and was not worried about telling people that, even if it might draw flack from mates down at the skatepark, or elsewhere.
In all of this, perhaps it's not the reward, or the day out with the police, that make this teenager proud. It was that he did the right thing by someone.