Billionaire Warren Buffett said Wednesday that his decision to cut the Gates Foundation out of his charitable giving is more about believing his three kids are ready to handle giving away his entire fortune than it is about Bill Gates‘s ties to convicted sex offender Jeffrey Epstein.

One big consequence of our fear of embarrassment is that we’re almost all overly sensitive to rejection. We haven’t built up our acceptance-of-rejection muscles, and this is a major impediment to agency.