Listen, when people talk about having a safety net, having options, I tell them straight: that's fear talking. Look at Steve Jobs, look at Walt Disney - they succeeded because they burned the boats. There was no Plan B. Success demands total commitment.
Here's something fascinating about your mind: when you dream, your brain paralyzes most of your muscles to keep you safe. That's why you can't act out your dreams. But there's more - your brain creates entire worlds while using less energy than a light bulb.