The context of the following conversation is Rylie is teaching Sasha how to swim.  Riley told Sasha to hold her breath.:
Riley says Did you know that Sasha had never been swimming before?.
The friend responds Really not even in the ocean?.
Riley responds She'd never been in deeper water then her bath, so I taught her how to swim..
The friend responds What did you teach her first?.
Riley responds First was how to hold her breath..
The friend responds That's a good place to start..