The most sweet smile

My father was a cook.He was so busy and have no spare time to play with us.But last Sunday,he specially ask for leave to stay with us.Because that day was my mothers birthday.He bought a lot of food and cook by himself.My mother love eating noodles so he specially get up early and wait for a long line to buy the most flesh noodles.When my mother ate the noodles that my father cook,the happy smile was appeared on her face.It was the most sweet smile that I have ever seen.