There is a number of things from her past interviews (https://www.youtube.com/watch?v=iwKs-eoPM-Y) that leave a lot of questions. For example she says that she sleeps for 4 hours , and that she 's a big fan of the 10000 hours rule, and a bunch of stuff for how she really is committed to what she does, but very little on why she believes she can pull it through. For comparison, another female health entrepreneur, Woljisky of 23andme usually gives much more down-to-earth and concrete motives for her company.

And there is the turtleneck thing that, in retrospect, looks ridiculous.