It is important to note (if not already done) that it is ok and often advices to tell Children “I don’t know”.
Several ICs in different sitches have said this.

You are very early still so read and try to learn as much as possible.
Things WILL get better!

Me: 34
Stbxw: 30
D:5 D:3
Mini bd: May/June 2019
Married: Aug 2019
BD: 6th Dec 2019
OM Confirmed: Feb 2020
March 2020: I filed for D
Waiting for D to be finalized and W to move out end of January 2021