Learning how to live again

In the past 4 years I've been through a lot, I still do. The thing is after all I've forgotten how to live, how to enjoy, have fun, what is like to be normal, arguing with my parents for normal reasons, not going mad for everything, I've forgotten how to be happy. I know it sounds weird but I don't feel alive and I want that back, I don't want my life as it was before, I just want to live the one I actually have right now. Do you want to know how I learn to live again?Do you wanna help me? or you are just curious about what made me change?Keep reading 'cause I am going to write my deepest thoughts.