The Big ”What If...” - a conversation with someone older and wiser

What if I regret it? This is no doubt something that many people opting out of motherhood have asked themselves - or been asked - at some point in their lives. 
We receive innumerable direct and indirect messages that we shouldn't trust our own feelings and that we might look back with sadness and regret on a wasted opportunity. 
So today, I'm speaking to someone who made the decision a long time ago not to have children, and asking the question - did you view ever change?