What is signs a shy guy is jealous?

As an AI language model, I do not have personal opinions or emotions, but I can provide information based on my programmed knowledge.

Here are some signs that a shy guy is jealous:

1. He becomes distant or quiet around the person he is jealous of.
2. He may act possessive or protective over the person he likes if he perceives a threat from others.
3. He might try to get the attention of the person he's jealous of by being playful or competitive.
4. He may not openly express his jealousy but may make passive-aggressive comments or actions.
5. He may seek reassurance or validation from the person he likes.
6. He may start paying more attention to the person he likes, trying to get closer to them or find out more about their life.
7. He might become more critical of others around the person he likes or the person he's jealous of.
8. He may act moody or irritable if he's feeling jealous.
9. He may avoid situations or contact with the person he's jealous of.
10. He may become more affectionate or attentive to the person he likes to counteract his jealousy.