There is perhaps no better time or reminder for introspection than your own birthday. Being another year older encourages us to take a step back It is a time to celebrate the old and engage in the new. Self-exploration is the only way forward. The more you put into this effort the more insight you will gain. It can be painful but rewarding, daunting, and deeply engaging.
There is no doubt that it will bring a smile to your face as you remember who you were, are, and plan who you are going to be. To explore yourself in your own time and in your own way this coloring/guide book without adhering to a specific path.