The context of the following conversation is Lee was a rough child and knows how to treat small injury's. Lees friend fell off their bike, so Lee put some burn cream on the scrape.:
Lee says I grew up getting all sorts of bumps and scrapes so I know how to treat small injuries very well..
The friend responds Wow, that's unfortunate but has it come in useful?.
Lee responds My friend fell off of his bike and I knew exactly what he needed..
The friend responds It's great that you were able to help..