My baby is 7 months old now. Have EBF for 6 months. She started food at 6 months but still EBF. I will be going to work in a couple of months so wanted to start expressing for her. Bought the medela swing pump. It just seems so much work. I am wondering if it would be ok to supplement with formula when I am not at home. Will baby get confused with the taste of milk? I really want to continue bf till she is at least a year old.