Do not pile more bad decisions on top of the first one.
People with children should have very high standards on who they date or even if they date. Because it is not just themselves, it is the kids who are important. They had no choice about being part of this so their safety and comfort comes first until they are past 18.
“she should have had higher standards in the past but higher standards now is better than having lower ones.”
The manosphere says given her history she is lying—probability in the 80%+ range.
She will still have sex with alphas on the down low—while still looking for the “dating” beta to take care of her and her kid.
In her mind the quick flings with alphas will not “count” in her body count.