How to learn to write big projects alone and not go crazy?

Question

Programming

Good day.
Actually the question is in the title.
It is clear that a "big project" is perceived differently for different levels of developers.
Let's say I'm a junior with middle aspirations.
Now, in my pet projects, the codebase is starting to grow "strongly" (5k+ lines).
And every time it becomes more and more difficult to work with the

PS project, let's imagine that I write relatively clean code, observing DRY and somewhat solid The

question is, in principle, how to survive this stage and not go crazy?
Has anyone experienced this and how did they overcome this problem?

Answer 1

Decomposition