What is this?! Some sort of proposition?

You sent the boy a text that said: "Just so you know, I think it's really inappropriate that you stole my phone and put your number in it." You wait for a response, but he doesn't type one. Uh oh you think to yourself. You were just trying to be funny! You didn't think it would actually scare him away. After a couple more minutes, your phone buzzes and you check the screen. "lol kk. guess I'll see you l8ter? whatever." After that, the cute boy is distant and cold towards you.