So what would I say if I was to meet the me from four years ago? If I was to not be silent, how would that conversation go?

“Live life.” I would say.
“You will be experiencing things that you will both enjoy, and detest. Things that will make you happy, and things that will make you feel like you simply cannot go on. I could tell you to avoid some things, to learn some things, and to enjoy some other things more fully. But I won’t. Because I feel confident in who we’ve become; who you will become. And I feel just as confidant in who we will both eventually become.”
“So live life. Live your life.”

“And never regret what you’ve done, and who you have become.”