" The study revealed that helping without the recipient being aware of it, a phenomenon called “invisible support,” was the formula for supporting others while not making them feel bad about lacking the resources to cope on their own. As a result of receiving indirect assistance, the participants felt less depressed. In practice, this could be any form of surreptitious practical support, like taking care of housework without being asked or creating more quiet space for the person to work. Or it can involve skillfully providing people with perspective-broadening advice without their realizing that it is explicitly directed to them. "

― Ethan Kross , Chatter: The Voice in Our Head, Why It Matters, and How to Harness It