Scientists are trying to understand how the brain forms and processes emotions. They are conducting research on the brain patterns of positive and negative emotions to understand the brain a little bit better.
Mantis describes her powers to Star-Lord, Drax, and Gamora. By touching someone, she can feel their emotions or alter them. This allows her to empathize and support others.
Matt, worried after being split from everyone else, attempts to find his brother. Tai encounters Matt and explains that they must head to the island. However, Matt thinks otherwise. Clouded by his emotions, Matt argues and even gets into a physical altercation with Tai.