Baby doesn’t want to breastfeed

Hello community! I have a 2 month old baby and ever since, we do mixed feedings (breastfeed and bottlefeed whenever needed). But lately, she doesn’t want to breastfeed after sucking for a few seconds. I think it is because my breasts are full of milk and sumisirit sya when sucked. Baby doesn’t like that she has mouthful of milk ( i think). Any thoughts? I want to ask for advice coz I really want to breastfeed my child. #firsttimemom #firstbaby