The correct answer is preening behavior.
Preening behavior or simply preening is described as a body language or series of unconscious/uncontrollable gestures between two persons, who are interacting, which signals attraction to each other.
The correct answer is panicky.
The author himself says that there were a lot of things around him that made him feel nervous, or the exact word he used is - panicky. I don't know the context, however, based on this excerpt it seems that he went through something dangerous or tragic that made him feel panicky about many things around him.
Answer:
Attention deficit hyperactivity disorder (ADHD)
Explanation:
Attention deficit hyperactivity disorder (ADHD) is a chronic condition which includes trouble with concentration, hyperactivity and impulsiveness.
ADHD sometimes starts in childhood, and can continue in adulthood. This may lead to poor self-esteem, unstable relationships and school or job difficulties, it mostly affects children and teenagers, which can persist into adulthood. The most frequently diagnosed childhood psychiatric illness is ADHD. Children with ADHD are potentially hyperactive and unable to control their impulses. Or, they may have problems paying attentive.
People with ADHD may also have trouble focusing their attention on a single task or sitting still for long periods of time.