Cute Love Story

Once an old man and lady recalled their young days.
Old man: Lets us go for date as we used to go in young days.
Old lady get excited and said yes and they decided the place for dating.
On the decided time the old man reached there and waited for 2 hrs nut lady didn't come.
He came back frustrated and saw the lady sitting on the sofa.
He asked her why didn't you come?
She said shyly " mom didn't allow "