Why does everyone assume that their mom's cooking is the best?

The food of Mother always is the best and deliciously, because she made it by her heart, that is why mostly people loved her food.

Mother is her cooking a wonderful and delicious, because it is mixed with her love for family, and from the depths of her heart, and her touch special, distinctive flavor, and mixing and additions secret, the most important is cleanliness and order in final form for submission