Well done, I know its hard not to want to say thank you for the cupcakes (thats your NGS messing with you)
Originally Posted by Wikipedia
Nice Guy syndrome are used to describe men.. whose "nice deeds" are in reality only motivated by attempts to passively please women into a relationship
If his urge to say "Thanks" is a lame attempt to manipulate his ex, that's Nice Guy Syndrome. If his urge to say "Thanks" is because he appreciates the cupcake, that is called Kindness and Gratitude.