Sometimes.
I always recommend at least two.
Here's a site status page where you can check.
It's a fun statistic that I track, but it has no bearing on the results you get.
I like MBTI and FIRO-B, among others...
I don't at this time, but there might be another option...
I used to do a lot of housecalls and I might still be talked into it.
Yes! Almost always.
Ah, the lucky "Sleepwalkers"...
Trained in hypnosis, Freud abandoned the practice as he developed his own methods.