Work on your marriage. Stop pining for being 20something again; stop believing company PR. You won a golden ticket; don't burn it.
I'm gonna push back on this.
Assuming the OP was good with their money, they probably have a very nice little nest egg put away.
If he can take a pause and reconsider his career goals and aspirations without compromising his financial position, there's nothing wrong with doing so.
Staying in a role where you're miserable just because it pays well is just another way of describing a wage slave. A lot of folks have no choice but to live that life. But for those who have options (and if you're 20 years into a career and working at a FAANG, you probably do), there is nothing wrong with cashing in some chips, pausing, and reevaluating.