I have learnt to compare myself to myself.
I look at how much progress I have made in my painting skills
I look at how much I have grown in my skills and techniques in my practice
I look at all of the spiritual growth I have made
I look at how much happier I am, how much more confident I am in myself compared to a year ago, 5 years ago, a decade ago. That is growth. That is achievement. I am comparing apples with apples. Not apples with oranges, fish, trees, carpet etc.