Question: 23 years old, have had chest pain for about a year now

23 years old, have had chest pain for about a year now, starting to have skipped beats and fluttering everynow and then as well, been to 2 heart docs. and have had monitors, ekgs, stress test, echos and all have been normal, am scared to death that i have blockage or something but no one is even listening to me anymore because all doctors tell me I’m perfectly fine, please help i cant live like this!!!