Touchiness
/ˈtʌtʃinəs/
Definition 1 of 1
Pro Tip 1/3Emotional Response
Reflects a personal, emotional reaction rather than logical or thought-out response. 
Her touchiness surprised us during the calm discussion.
Pro Tip 2/3Negative Connotation
Often has a negative connotation, suggesting overreaction to minor things. 
The actor's touchiness about his height became well-known.
Pro Tip 3/3Not Complimentary
Using 'touchiness' is not a compliment; it implies criticism of someone's temperament. 
Their touchiness during feedback sessions hindered constructive dialogue.