I often think about it; maybe your mom and dad met at a concert that one of them wasn't going to, and their friends made them go. Maybe you stop a random girl in the street to ask for the time, and she ends up being the love of your life. I mean, what are the odds? But it happens.
If you think about it hard enough, everything that happens is a string of really weird coincidences, so it wouldn't be weird if, on any random day, something that completely changes the course of your life happens by chance.
We don't need to attribute it to fate; it's not necessary to think it was preestablished. It could be that a lot of minor things piled up to cause major things, and coincidences are only a reflection of that.
What we can do to stimulate fate or life, whatever you call it, to put us in experiences is simply to go out and look for them. It doesn't matter how big or small they are, because according to this post's commentators, a lot of random and small things took them to surprising destinations.
So I would just say, get out there, meet people, be out and about, and good things are going to happen to you. Life will move, and you will have love and experience; that is the best thing to have in this very brief experience we call life. What are we doing if we're not looking to see what's out there? We have to let life show us.
Do you think you do anything in your day that connects you to the possibility of something important happening to you?