Steam is maniaco but talk to them
Steam Support - Account Issues
choose any topic and no matter what that topic says explain your problem and tell them you are sorry and it was a mistake and will never happen again.
No matter what they response is stay calm and 1 week later write again that it will not happen and its a mistake.
its obviously a mistake. we are all human. I suggest you keep calm and try friend. I see this and I get mad. People does make mistakes, so what is this, a parliment ? like so serious chit than why its called gaming or accept millions of kids children inside.