If you can afford it and want it, buy it. Life is too short to wonder 'what if'.
Bike is just a tool of sorts. We may love our bikes for the joy they give us, the places they allow us to go and the people we find through the collective enjoyment of an activity that we all enjoy, but they can't reciprocate. Your bikes doesn't feel anything so it doesn't matter if you change it for something else.
Don't look back too wistfully on what was and what is past, because what is yet to come is far more interesting.
Do what's right for you.