Usa "straitlaced" in una frase

1. Kid was as straitlaced as they come

2. The usually straitlaced, military man with the impeccably groomed goatee sat on the wall,

3. However, the always well-mannered, straitlaced military man wasn’t laughing

4. Paul was so straitlaced that he tucked his undershirt into his boxers before he went to bed at night