Final answer:
Chris is displaying a need for affiliation, which signifies his desire to feel included and connected in social situations regardless of finding others unattractive.
Step-by-step explanation:
Chris, who has a strong need to be included in every social event despite finding people there unattractive, is displaying a need for affiliation. The need for affiliation is related to our desire for interpersonal attachments and is considered a fundamental human motivation, according to Baumeister and Leary's (1995) research. This means that Chris wants to feel connected and accepted by others, which is an integral part of social interactions and overall social well-being.