Same for my 2 mth old going 3. He's on mix feeding. One time, he'll refuse fm and stick to bm the whole day and vice versa and also like to push away with his tongue. Found this article. You may want to read it ☺️ https://sg.theasianparent.com/my-baby-is-not-drinking-enough-milk?utm_source=question&utm_medium=recommended