I'm getting married in 3weeks time and would like to be able to drink on my wedding day. My baby will be 3months old and has been breastfed with one expressed bottle a day. Last week I started expressing each morning and freezing the milk so there will be a supply ready, then giving one formula feed each evening. How much milk do I need to have expressed ready for the baby to be bottle fed from 3pm until the next day? Also should I introduce more expressed bottle feeds at various times so he is more used to the bottle? Thanks for any advice.