 creating stamina and endurance with that sort of lung power, not wearing out. So those types of activities involve longer roading periods where, you know, the dog is running for a longer period of time. And then the other side is we do short, um, hard going, uh, exercises like water sprint. So we're throwing a fun bumper or a bumper in the water and letting a dog swim, you know, as fast as it can for short periods. Um,