I have a question about my story :D

So I am writing a story, and I noticed that when I go to look at other stories some have stars, what are the stars?

It shows that I have one star, but I don't understand, is it based on comments? subscribers? what lol Thanks for helping me out guys :D

By the way my story is called I can't help it, I was born this way. If you wanna check it out :D lol

One more thing, I am looking for a good story to read, I like romance, gay romance, action, everything lol :D so let me know if you have a story that is worth reading