Being Tense:

"A person who is always tense and almost never relaxed can be described using several labels or adjectives. Some of the most common ones include:

1. High-strung: This term describes someone who is very nervous or easily agitated.
2. Tense: Refers to a person who is often anxious or unable to relax.
3. Uptight: Used for someone who is excessively concerned with following rules or conventions, and who is often nervous or worried.
4. Anxious: Describes a person who frequently feels worried or uneasy.
5. Nervous: Someone who is often apprehensive or uneasy.
6. Stressed: Refers to a person who is frequently overwhelmed by stress or pressure.
7. Edgy: Describes someone who is tense or irritable, often anticipating something bad happening.
8. On edge: Similar to edgy, this phrase is used for someone who is very tense or nervous.

These terms capture the various aspects of being perpetually tense and can be used depending on the context and specific characteristics of the person's behavior."