My daughter is gonna be 6 months and my sister watches her while I go to school (I'm only 16 ) and school started on the 24th and ever since then my daughter won't drink breast milk from bottles she eats baby food while I'm gone and she wants to only get breast milk from my boob she throws fits till I get home because she wants milk but won't take it from a bottle does anyone know what I can do to fix this ? Please don't be rude