Welcome, manzir! I also lost my faith around the same age as you--I was 19. It's funny, I say "lost" as if it was a thing I misplaced or dropped. Might be more accurate to say I began having doubts, began really thinking about Islam, then left it out on the window sill knowing full well the wind would blow it off and down to the ground where it would shatter into a million pieces, and the garbage men would collect it and take it away to the landfill, where it belongs. I think I've stretched this metaphor too far. Oh well.
Yes!! I knew it. I just had to keep the faith.
Well, have I got news for you! Not only is there cake, but rivers of wine and trees with the sweetest fruit, and plenty of virgins. Here, let me give you some pamphlets and this nice, wholesome book to read so you can learn more...