Bezos Says Decision to Start Amazon From 'Heart Not Head'

In 1994, the speaker decided to start an online book business from Seattle, inspired by the rapid growth of the Internet. They chose books due to the vast selection available compared to other products. Despite leaving a successful job, the speaker's family supported the decision, focusing on minimizing future regrets by taking action rather than missing opportunities.

What were the reactions of the teacher's family when he decided to quit his job and start a new venture?

What does the speaker mean by saying that most regrets are acts of omission?