Having weird feelings, everyday it gets worse after everything that makes me happy I think im going to die afterwards and I get so scared at times I cant sleep because if I sleep im scared I wont wake up next morning and its really freaking me out , whatever I do, I always think of my heart and be scared of it stopping like the '' What if '' pops in my mind with everything related to dying or losing my life this thing is new and I dont know why do I have it, its really annoying and not a think I can live with
what should I do and why is this happening to me please help thanks.