I think there probably is based on the limited data I have, with the caveat that Socionics has never being empirically described and defined. My view...
when I got diagnosed with MS last year, I talked with a bunch of people who had the disease for decades. even 20 years ago, there wasn't really good...
She told you she had to take a mortgage? Maybe -even if she can easily afford it- paying it in full straight off the bat may not be the best strategy...