Origami: a heart-shaped box. Envelope with a heart / Love message

How to make a gift with your own hands on February 14, and March 8 from paper for free.
It is easy and simple to make such a valentine out of paper. A love message can be placed in this heart-shaped envelope.
This is an original gift to be noticed and appreciated, because it is made with your own hands.
Today, all lovers give beautiful valentines. Girls love such gifts very much.
They love to receive and give them themselves. So, if there is a question of what to give to a boy or what to give to a girl, then everyone will like this valentine, because it is the purest and brightest gift, because it is made with their own hands.