What did the officer do with my information?

[Hie Lain]

I was engaging in sexual intercourse with my girlfriend in a parking lot. My car has tinted windows all around. It was 3am and there was no way anyone could see inside. I'm guessing someone saw the car rocking and called the cops. I saw the cop before he even pulled into the lot and immediately our clothes were on. The officer pulled besides us, ask me to get out of the car and takes my license and asked what we were doing. I replied we were just talking, and he says, "it must be embarrassing huh?" He does not radio in, read my rights, issue a citation or arrest me. All he did was take out a little notepad from his pocket and wrote all my info down, then he told me to drive home safe. He didn't even speak to or ask for my girl's identification. What is he going to do with my info? We are both 18