I overthinking, again. 

Short story: I made an account in a website and I accidentally used a wrong email addres, and there is no option to change or delete the account. I wrote an email to the website 2 weeks ago, but they didn't aswering :(

PLEASE HELP. I was shaking in that day, but I still feel bad and thinking about what if the police will searching me etc....

What is the worst thing that can happening in this situation?