iN: mental intake

• accept facts
• intellectual introversion
• find it difficult to rev up if they are surrounded by known and trusted ideas
•  
• aware of your mind and what it knows (glutamate)
• differentiate truth from deception
•  
• mental depression:
• good: internal focus on your mind and its need for fuel (see, watch, learn, and remember) and rest (close your eyes and sleep to build mental models)
• bad: ignores the needs of their ideas: can or will not think (use their mind)