enneagram 4 is seriously low energy (ie dopamine motivational energy). 4w5s and 5w4s are generally the worst. we gain a lot of energy from our thoughts, anxieties, hallucinations, visions, etc. they pump up our adrenaline response and we get excited about our ideas for good and bad but not so much the doing of them. it takes a lot of energy to tidy up our mental rooms, and we tend to overlearn from our experiences (which requires so much processing energy, stewing, etc). sx and sp subtype stackings demand a certain level of slowness to compensate for intense bursts.