Enough milk

Naomi • 👦🏽👧🏽👦🏽👦🏽👶🏽
So I'm thinking about going back to work soon & I only have 15 storage bottles in the freezer for him to feed off of while I'm at work(I'll be pumping at work too) but I figured every time he nurses on one boob I can pump the other. & by that time I should have enough right? I tried pumping when he get off one side(the side he nursed on)& nothing comes out.