We're born again when we get baptized, whether as a child or as an adult. Being baptized can be a choice, but don't worry, God's got the little babies taken care of too. It's okay to simply reaffirm your baptism when you're all grown up.
This is an unrehearsed homily, so there is no accompanying text!
"Homily on John 3:1-17". Text is from John 3:1-17