For these types of people, any negative evaluation is painful enough to be interpreted as an attack. Others may judge this as a sign of hypersensitivity. The boundary is defined individually by both personality traits and cultural differences between interlocutors.
Delivering feedback is generally one of the most difficult forms of communication and carries with it a lot of risks. An additional level of difficulty can be perceptual differences that cause unexpected tensions in a relationship. Hence, some good advice can significantly help to calm down a conversation.
