Empathy building is self-building. It starts with security.
Understand that empathy and sympathy are practically opposites and move in different directions. This is the key to learning how to be and use empathy.
You feel by exploring the depth of your emotional repertoire, and you can expand your emotional repertoire. You have not reached life’s contentment because you do not yet know how to create it.
I've written a book on COVID-19 which is a combination memoir, analysis, suggestion, and indictment. It suggests you reappraise the information being fed to you.