After around a week, you can begin to think about dropping another. But she admitted her choice to breastfeed Charlotte may have caused a bit of jealousy with her older sister Isabel. By the time she was five, Charlotte was breastfeeding three times a day but over the last four years, this has reduced to just once a month. Mum-of-four Sharon Spink insisted feeding daughter Charlotte into primary school was completely normal and has cemented a lifelong bond between them. They note that solid food shouldn't replace breast milk, as there is evidence to suggest breast milk helps a baby's digestive system when processing solid food for the first time. The NHS says weaning often happens gradually as your baby begins to eat more solid foods.