Writing code is generally much easier than reading it. Additionally, once you write code, you usually end up needing to change or maintain it. 90% is not uncomm

Writing code is generally much easier than reading it. Additionally, once you write code, you usually end up needing to change or maintain it. 90% is not uncommon. It's also generally a good sign if you spend less time writing code, because the hard part is usually in the design/planning phase of a new system or product. Days of programming saves hours of planning.