These activities are examples of self gratification, they don't give anything to others and are bad for this reason. Imagine a group of cells in your body engag

These activities are examples of self gratification, they don't give anything to others and are bad for this reason. Imagine a group of cells in your body engaging in this behavior: they grab energy from others, spend it on rattling their mitochondrias, and give nothing back. Imagine if most cells in your body were like that.