One day Mon said to me I love you. son

I was very happy that day and went to school.

6 oclock 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 its your moms birthday

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

it was moms birthday,but i didnt know that.

and she said i love youto me.