You need to relax because you’re self sabotaging by being desperate. Use Zip and Indeeds one tap apply functions and just send them out like hotcakes. If you get an interview focus on what they bring to the table for you and if you want to work for them. If you don’t value what you bring then why would they want you? It’s okay to be confident and borderline arrogant just don’t be cocky and full of yourself. An interview is nothing more than a conversation to see if you’ll mesh well together. Once you finish erase them from your mind and go about applying and living your life. You obsessing over things you can’t change is a waste of time and energy and will lead to burnout.