Upvote:3
We can't really help with your specific worries, but it's easy to consider the effects of your visa history on your application. Having s prior visa means that you are less unknown, so (most likely) less of a risk. Of course, it's also possible for your history to work against you, for example if you
If none of those things happened, nor anything else untoward, your history probably helps your present application.
The delay could be for any of several reasons, including (I speculate) extra checking for you on account of your history. Try not to worry about it. There's nothing you can do at this point, anyway.