Maybe he could have Gates join him and have no return trip.
You're forgetting someone, like Dr. Kevorkian's midget brother who throws like Olive Oyl and sounds like someone has already tried to wring his scrawny pipe-cleaner neck. :-)
If Bezos and Gates were going to be alone on their trip into space, with no crew, just the two of them, I’d have only one word to say in my sendoff ...
Challenger
Serious penance required now. 10 Our Fathers and 10 Hail Mary’s ought to be enough, though I believe that the demise of just these two people-impersonators, however it came about, would save millions (or more) lives.