You don't. But even with a good haircut and trendy clothes when you are 50+ nobody is going to guess you're only 31. You can trim your CV to only show last 10

You don't. But even with a good haircut and trendy clothes when you are 50+ nobody is going to guess you're only 31. You can trim your CV to only show last 10 years, but the roles are somehow still a tell.