In this qualitative study, researchers focused on providing explicit knowledge of personality traits via the Enneagram profile to a group of 10 adult advanced students of English for speakers of other languages. Through the Enneagram and two surveys, researchers gained insight into how students perceived the influence of their personality type on their second language (L2) learning experience in the United States. In this article, the researchers make recommendations about what could be done to incorporate the Enneagram personality profiles' information into L2 instruction.