The foremost misconception about Feeling is that Feeling is somehow irrational. Indeed, when Jung wrote Psychological Types he broke with a tradition stretching back at least 250 years that tended to regard feelings as irrational impulses stemming from the heart (and this tradition is still very much alive today). For better or worse, Jung went against the grain of this tradition when he set out to craft his typology and insisted that Feeling was a rational function. (extract)
Feeling (probably irrational) leading to an improved emotional state?