man

confusion

brain

thinking

solve

problem

stress

person

tangle

mind

head

line

mental

illustration

concept

idea

tangled

intelligence

chaos

depression

psychology

scribble

human

health

abstract

creativity

disorder

think

memory

mess

thought

doodle

solution

business

anxiety

imagination

knot

chaotic

emotion

complicated

sign

despair

question

trouble

difficult

headache

crisis

intellect

nervous