First is to compare yourself to normal non-technical people. You know a lot more than a regular guy on the street, you are a completely specialist compared to t

First is to compare yourself to normal non-technical people. You know a lot more than a regular guy on the street, you are a completely specialist compared to them. Secondly if you just different domains and languages over 20 years (like me) you probably aren't better than someone who has been doing one thing for 5 years. If you want to be like that guy, stick to one thing.