Just be honest with him and tell him exactly that you’d not understand him. And maybe try having him write stuff down. Hope this helps
Ten characteristics of well-functioning teams: Purpose: Members proudly share a sense of why the team exists and are invested in accomplishing its mission and goals. Priorities: Members know what needs to be done next, by whom, and by when to achieve team goals.
High heart rate is not a symptom of Anorexia Nervosa.