I've helped him many times, so if you show someone favor, they will return it. I'm sure he will help me too.

Her sobbing echoed throughout the room.

She sobbed quietly, lost in sadness.

He tends to view things from a pessimistic perspective.

Our feelings of mourning for his death are deep.

He was mourning his deceased grandfather.

His design is always full of playfulness.

His heart was very kind.

In Chinese astronomy, there is a constellation called Heart.

I thank you from the bottom of my heart.