Plus it is the most incredibly desirable around the clock taste treat, whether first thing in the morning, right before bed, or even waking up in the middle of the night to have a bunch (I have no ties to the Peanut Growers Marketing Council of America, just a superfan).
When eating certain types of peanut butter (like natural) straight off the spoon though, be advised to have a glass of water handy so as not to choke on the stuff, and be prepared for the leaving of peanuty lip marks all over the rim of said glass.