This is probably not a normal family bonding experience, but it does the trick anyway. Even a snide comment would probably come across as good-natured, under the circumstances.

Taking a sharp breath, he chases after, tossing one stone after another, hanging back just a little. It's hard to keep much of an eye on the proceedings when he's watching where he's going, but he trusts Ben to gauge his own success.

Running's not so bad.