One day Mon said to me I love you. son

　　I was very happy that day and went to school.

　　6 o'clock in the afternoon, i went back home.Dad was also back and there was a big cake on the table.

　　I asked him why there is a cake? can i eat it?

　　Dad answered No.Mom should eat first.

　　why?I asked again.

　　because it's your mom's birthday

　　then i remembered mom said i love you to me in the morning.

　　it was mom's birthday,but i didn't know that.

　　and she said i love youto me.