Having a good sense of humor is a valuable social skill that can help a man in his 20s to build stronger relationships, reduce stress, and navigate social situations with greater ease. If you are a man in your 20s looking to improve your sense of humor, there are several steps you can take.

1. Watch and Learn From Comedians: Watching stand-up comedy or funny TV shows can help you learn about comedic timing, delivery, and wordplay. Analyze what makes you laugh and try to understand why it works.
2. Read Humorous Material: Reading funny books, articles, and comics can help you develop a better understanding of humor and improve your own sense of humor.
3. Practice Joking Around: Practice making jokes and being playful in social situations. This can help you get comfortable with being humorous and help you gauge what works and what doesn't.
4. Attend Live Comedy Shows: Attending live comedy shows can give you a chance to see how comedians interact with the audience, how they build up their jokes and how they handle mistakes. You might even get some inspiration for your own jokes.
5. Listen to Podcasts: Listening to comedy podcasts can expose you to different styles of humor and give you ideas for jokes or material. It can also provide insights into the creative process of comedy.
6. Surround Yourself with Funny People: Spend time with people who have a good sense of humor. Pay attention to what they say, how they say it, and how they react to others. You might learn something from them and get inspired.
7. Be Observant: Humor often comes from observing everyday situations and finding the funny side of them. Try to look at things in a new light and find the humor in everyday situations.
8. Take Risks: Be willing to take risks with your humor. Trying out new jokes and being playful can help you develop your own style of humor and learn what works for you.
9. Practice Active Listening: Paying attention to what people say and actively engaging with them can help you find opportunities for humor and make witty comments.
10. Be Yourself: Ultimately, the key to having a good sense of humor is to be yourself. Don't try to force humor or be someone you're not. Be authentic and let your natural sense of humor shine through.

In conclusion, improving your sense of humor takes practice and a willingness to take risks. By watching and learning from comedians, reading humorous material, attending live comedy shows, and being playful in social situations, you can improve your sense of humor and become a more engaging and enjoyable person to be around.