One More Cup of Coffee

My mother has told me about this incident. I have an uncle (I don't know him). He is a businessman. He followed one simple rule for all his life. That was-

He always had morning tea with his mother. If they are at home, they sit together and take sips of tea and when they are far, they call each other and at same time start having tea and talk to each other.

This thing seems so simple but here is it's power. When his mother died, she told

I would have died 10 years ago, it's your morning cup of tea that kept me alive.