Anchoring is an NLP method which could be used for influence our emotions as well influencing other persons. It could even be used for seduction. This could be done by plating appropriate anchors on the other persons and activating those anchors whenever required.

Anchoring is broadly based on Pavlov's classical conditioning and if used carefully is a powerful influencing tool. Full article at

http://www.ravimoosad.com/news/anchoring-and-the-art-of-influencing/