What are some signs that a narcissist is using their past abandonment as a way to manipulate new relationships?

Does being a late bloomer make you feel less self-conscious when you're spending the whole day at the beach in a swimsuit?
How can you ensure a happier and healthier life after cutting ties with a narcissist?
Does the sense of formality in a traditional marriage ever fade away once the daily routine of life sets in?
What steps can a scapegoat take to break the cycle of codependency and see their partner more realistically?