The context of the following conversation is Rylie is teaching Sasha how to swim.  Riley told Sasha to hold her breath.:
Riley says I was teaching Sasha to swim..
The friend responds How did that go?.
Riley responds Really well, it took a lot of practice but after a while she could hold her breath..
The friend responds That's great progress...
Riley responds Next I will teach her how to tread water..
The friend responds Good luck with that..