Is my relationship over after not wanting children?

Why does the ego react so strongly in twin flame relationships, and what can be done to calm those fears of vulnerability and abandonment?
What's the most satisfying or unexpected reaction you've received from someone who underestimated you or your abilities?
Do happy thoughts mean little to an unhappy person?
How do narcissists justify their hurtful actions at the end of a relationship, especially when they quickly move on to someone new?