It's good to share your kids with your partner.
Mary has two kids with her partner.
Mary wants her kids to want to spend time with her.
Mary asks her kids what they want to do for fun with her and asks their dad along.
Mary tells her kids their father is a terrible person and resents them, so they'll only want to be around her.
They have fun together as a whole family.
Their father feels lonely and confused and the children grow up thinking the worst of him.