Manipulative seduction is a tactic I first described in In Sheep’s Clothing. It can include heaping attention and praise on you, and ego-massage. Put these things all together and you have what’s now commonly called “love-bombing,” which can be anything but genuine love.
Affirmation dependency is overly relying on external sources for validation of one’s worth. You develop it by not properly understanding what your worth genuinely is and where it stems from.
The amorous vulnerable covert narcissist can come across as loving. With ego massage, charm, and connective skill, they’ll steal your heart. But it’s never really about you. It’s about what you can do for them.