I’m really sorry your dad isn’t being supportive, @Khalil5oo. It’s very rough having an “invisible” problem that show no external symptoms like a breathing issue or a bad cough or fever. I second what @Jules said about finding a research paper that validates your symptoms as being related to ES. Here’s a link to our research paper list and to a great post written by Jules that talks about symptoms of vascular ES & backs them up w/ references to research papers: