Let's be clear, if you want to fly, don't go SEAL. 14-24 weeks isn't that long and it's been much longer than that in the past. The takeaway from Kim shouldn't be that he has done all of this stuff and has a long and impressive resume. The takeaway is that he had the mental determination to be able to do all of those things.
Keep in mind some of us had to fight for several years to get to flight school after putting the time in to commission. That was successful because, in part, of the determination.