 What a person should first do if they feel an irregular heartbeat or some of the symptoms that you're talking about, fatigue that goes along with nothing, what do they do? So, you know, I'm going to back up a little bit. Okay. So for everybody who's listening, how do they find what's going on if they don't have symptoms? Best way to do this is to monitor themselves on a day-to-day basis. Okay.