What is most closely the meaning of it’s hard to open up your hands and let go of what you know as it is used in the following passage (paragraph 10)?
Most people don’t get to wake up every day and do something they’re passionate about. You always feel you can give more, but at some point you have to do what’s right for yourself. Maybe every athlete goes through that when they retire. It’s hard to open up your hands and let go of what you know. You hold on because it’s so much a part of your routine—and your life. I’ve always been training for something. What happens when that’s gone?