It doesn't need to be answered. It's only the anxious mind that feels the need for all these questions to be answered. You need to regrow your tolerance for uncertainty. Because no one has the answers to existence. But that doesn't bother normal people. Why? Because a non anxious mind has a playful tolerance for the unknown. Put your Iphone down, reconnect with nature and beauty. Go for a beer with some friends, text a girl (or boy) you like. My mind stopped questioning when I started living like a free man again