The Stars Aren't Ready

Joel walks into Grand Central Station, wanting never to return. Then and there, it will all end. All his pain will be gone, and he will finally be with Olivia.
But the universe has other plans. A minute later, he stands outside the station, starting his day again, but his decision hasn't changed. He walks back in, determined to end his life. He's ready... or is he?
Is it too late to try again at life?