When faced with the options of waiting or worrying, it is a good idea to identify the false dichotomy and do something else instead.
On our own, we come up with things like learning, leading, and connecting. These are all good things. They should be pursued by all followers of Jesus.
What should not be neglected is the joy of waiting on the Lord.
The benefits of this act can only truly be realized by going through the process. What you have to look forward to is a deeper understanding of what it means to rely on God and an appreciation of how he loves and cares for his redeemed.
Certainly don't waste your time worrying. And don't waste your time waiting for nothing. But spend all the time you can waiting for God.