My company's CEO passed away last week. During her memorial I found out that she was 70 when she died, and had founded the company 25 years ago, when she was 45. Which I think shows that people's "prime" actually comes a lot later than they think.
The way I look at it is that if you start a business in your 20s, the odds are against you. You may be young and full of energy, but you don't know shit about the world yet and will make a ton of mistakes. If you do it in your 30s, the odds are neutral. You are more seasoned and possibly have some domain experience under your belt that you can leverage. If you do it in your 40s, the odds are in your favor. You probably have significant domain expertise as well as connections you have established earlier in your career that can help you. It's only in your 50s that you can justify feeling like you're past your prime. Then again, that hardly stops some people.
The way I look at it is that if you start a business in your 20s, the odds are against you. You may be young and full of energy, but you don't know shit about the world yet and will make a ton of mistakes. If you do it in your 30s, the odds are neutral. You are more seasoned and possibly have some domain experience under your belt that you can leverage. If you do it in your 40s, the odds are in your favor. You probably have significant domain expertise as well as connections you have established earlier in your career that can help you. It's only in your 50s that you can justify feeling like you're past your prime. Then again, that hardly stops some people.