When does the journey end?

In short, it doesn't. It really depends from what perspective we're speaking through though. One's journey could be characterised as starting when born and ending when dead. But, what happens after death? We know life itself was here long before we were even born into it. So, I think it's safe to say that it's hard to give a start or end to the journey of life. However there is a pattern, everything seems to start and end except where it ends is a new start. Nothing dies, it just transforms into something new. Life isn't really a thing that can be defined with a beginning or end, for it's really only as long as a moment, it simply continues and lives on in transformation.