Hi..my son is 14 months old.. from last 4-5 days I have been observing that he is not having his lunch and dinner properly.. he have his breakfast fine,eats properly.. during lunch and dinner time he eats some and some he spit out.. in morning I give him roti with soup.. during lunch n dinner I give him rice or dalia.. I m worried why he is not eating properly.. he used to have his meals properly but not now.. what should I do?? even changed the way of cooking also