I'm wanting to take extended maternity leave.
My husband totally used my standard argument against me.
"Well, if you take the $10,000+ not earned in the extra weeks, and consider a 7% return, the actual cost of the leave is ..."
He was of course joking, and told me to do what I want; but he kind of has a point. (If the baby comes more than 2 days early, I won't have the option, because of weird ways benefits work and how much PTO I have, so we just figured we'll let her decide.)