It is always a good idea to act out with kindness daily, weekly, and monthly. I admit with my hectic life, the act of kindness gets pushed aside. The hustle and bustle mode of our day prevents us from thinking outside our personal boundaries.
I have created some printable tags to help promote and remind acting out in kindness frequently. Here is how they work.
I do not think there is a right or wrong answer to this. For example, one might be highly interested in beauty and fashion. Perhaps you have specific habits you want to break and using a journal to track your progress.