Little boy has hilarious idea for Valentine's Day card: 'I love you … because I have to'

This hilarious video shows the young boy writing a card for his sister.

ATLANTA — Valentine’s Day is one for sharing love and laughter with those who mean the most to you.

But how exactly do you explain that to a child?

You have to watch this adorable young boy’s reaction when he learns the meaning behind a Valentine’s Day card.

Let’s hope his sister has a sense of humor when she watches the video!