Words of encouragement?

I just broke up with the guy that ive been with for 1 year and 5 months. I spent all my time with him, did everything with him, he was my bestfriend my lover, my everything. I trusted him with anything and told him everything. I broke up with him though, were going different places in life. And he is immature most of the time im with him. He can be really serious, but i just couldnt handle it anymore. I just dont know what to do. I left him, but it wasnt like i didnt love or care about him. I feel like i just threw away 1 year and 5 months down the drain. I wasnt happy with him but i was at the same time. We faught alot and tried to make things work, but it just wasnt working. Im so sad, and idk what to do. I just want some words of encouragement because i have no one else. 😢