Are you filing the complaint? You have a month-ish (28 days where I am) while you sit around and await the answer and/or counterclaims.
Waffle launched his surprise filing missile at the beginning of May, and we had our first pre-trial, about temp custody, originally scheduled for next week. Turns out his lawyer had a conflict and we're awaiting the reschedule.
If it is uncontested, and there's no hurdles in negotiating the settlement, it can be over quite quickly (in this state, three months or so). Some states have longer waiting periods. Mine is contested, so we're looking at next year before it's final.
You have totally got this!