Not a rule, just a trend.
IEI. Probably Fe subtype. Pretty sure I'm E4, sexual instinctual type, fairly confident that I'm a 3 wing now, so: IEI-Fe E4w3 sx/so. Considering 3w4 now, but pretty sure that 4 fits the best.
Yes 'a ma'am that's pretty music...
I am grateful for the mystery of the soul, because without it, there could be no contemplation, except of the mysteries of divinity, which are far more dangerous to get wrong.
Be that as it may, I'm not sure IEIs in general want "activity".
Now reflection... THAT sounds a little more IEI-like.