[ Unless she is actively trying to hide something, Leslie wears her heart on her sleeve. The somewhat blank look she gives him followed by a dawning understanding suggests that this is the first time she's heard of tag, but she's able to guess approximately what he's talking about from his description. Hmm. Some physical activities are sports, and some are games, and this current game is not a sport. ]

Is it like the difference between contracts and pinkie promises? Where they are both promises, but one is used more by adults and the latter is more something children do?

[ As for his offer to help.... ]

I think I can do this part myself. Though...I don't really know what would be a fair distance to stand away when throwing. Do you have any ideas?