I think it's a great idea but it's not a big business and likely uninteresting to YC or other investors. Wikipedia tells me that 10% of the world's population h

I think it's a great idea but it's not a big business and likely uninteresting to YC or other investors. Wikipedia tells me that 10% of the world's population has had a migrane (https://www.thieme-connect.de/DOI/DOI?10.1055/s-0030-1249220 https://www.thieme-connect.de/DOI/DOI?10.1055/s-0030-1249220) but how many of those have them regularly? How many seek help? How many would use a tool to manage their triggers? I think you would be better off canceling the interview, explaining why you are abandoning you last idea and trying again next cycle.