you have got the answer to your question with satisfaction.
you can make it a habit to lock your threads if you feel the discussion has reached its conclusion.

Next, just a little advice for you. sometimes you quote the post correctly. but more mistakes and it makes your post messy. also get used to clicking the preview button before you post. you can see if your post needs to be fixed or not. learn how to make your post quote even better. the more you read, the faster you grow in forums.