It's great to have a buff frontal cortex to do that harder thing - for example, help a person in need rather buy some useless, shiny gee-gaw.
Robert M. SapolskySome Poor grad student pressing on the flanks of a hamster and out comes a doctorate on the other side
Robert M. SapolskyIt's probably even the case that if you stoked up some Buddhist monks with tons of testosterone, they'd become wildly competitive as to who can do the most acts of random kindness.
Robert M. SapolskyOn an incredibly simplistic level, you can think of depression as occurring when your cortex thinks an abstract thought and manages to convince the rest of the brain that this is as real as a physical stressor.
Robert M. Sapolsky