What was the last time you laughed from your heart?

The last time I laughed from my heart was because I got a confidant. He was just a friend of mine at first, and there wasn't much communication. By chance, I suddenly found that we had a lot of common topics. Then we exchanged these questions and got something we wanted. At that moment, I suddenly felt that I got a confidant, and I was very happy and laughed from my heart.