have never looked back
1. To have never considered returning to past circumstances. Once I graduated from high school, I left my hometown, and I've never looked back.
2. To have progressed without interruption or impediment. When we began this company, we stuck to our dreams and our plans, and we've never looked back.
have never looked back
or have not looked back
COMMON When someone has done something successful and you say that since then they have never looked back or have not looked back, you mean that they have continued to be successful. He became a professional photographer in 1978, and has never looked back. She was asked to write Sainsbury's first cookery book and hasn't looked back since. She is now cookery editor for The Sunday Telegraph.