One telling of a story that distinguishes heaven from hell based on whether people help each other.
"Own nothing is virtue of letting go. It helps you don’t depend on physical property. You work hard to live useful life for yourself, for others and for beings."
Loving each others but can not stay together is suffering. Hating each others but stay together or meet everyday is suffering. Wanting but don't getting is suffering.
Everything is impermanent and changed in every moments. Therefore nothing is you, is yours and is your ego.
Give up fame, loving, money, eating, drinking, sleeping, less wanting, know enough is holy conduct that I learn from Buddha and my master. Such as Salmon fish swim upstream to spawn. The Buddha and my master were always live useful life for beings.
The Buddhism is humanistic ethics which based on the rule of causes and effects. Living the life useful for yourself , for others and for beings.
Buddhism is humanistic ethics of human. Buddhism brings light for everyone by right understanding about real nature of life. And you are the person who will lighting your life by your right action so that it's useful for yourself, for others and for beings.
Right understanding helps you live the life useful for yourself, for others and for animals. It just likes a lighthouse at the sea that can helpful for boats.
Intelligent people often live the life useful for themselves, for others and for animals. Ignorant people often live the life harmful themselves, for others and for animals.
Human, animals, insects, plants, weather and living environment has correlation of cause and effect.