We all have a tendency to complicate things in our life. When everything seems smooth, you think of something that could complicate things. Why? Because you feel you are getting complacent.
There is the possibility that you may be getting complacent, so how do you draw a line? Go back to your goals and ask are whether you are aligned with them. If you are, then you are not getting complacent.
Regular review of where things are and where you need to go is important to evaluate efficiently and effectively. Having a simple system and structure will help. Avoid complicated systems and structures!