Okay, so Wonder Baby is breastfeed and has never had formula. I have the worlds tiniest freezer stash (seriously, there's maybe 10 oz in there) and I can't seem to pump anymore because my body adjusts to her needs so quickly.

In a couple months Mr SH and I are planning on going on our first weekend without the girls (ever!) for our 10 month anniversary, leaving them with my parents for three days. Wonder Baby will be nearly 14 months old but I'm sure she'll still be nursing 3-4 times a day. She's great with solids, but not weaned.

She can drink from a straw cup, so should I buy formula (which she has never had in her life) or just leave her whole cows milk (which she will presumably be drinking somewhat by then, as she'll be past the 12 month mark?)

I know it's still a couple months away, but I'm an overplanner. What would you do?