Once braces done, you should not leave in middle. The movement of teeth is always slow but predictable.
You must share your urgency with the operating orthodontist so that he/she can speed up if possible.
There is no 2nd option.
Either get it done and get a lifelong aligned teeth and beautiful smile or not get it done.
Teeth movement will be slow.
Next Steps
keep good oral hygiene, use only orthodontic brushes .
add a mouth wash clohex ads for a fresh breath always.
Health Tips
if u really want to speed up. do not take hard or crispy food. It will break the braces and reverse the movement of teeth.