A Commission or how to Stress out

I recently got a commission to paint,  what else,  a dog.  I just fell in love with the dog's ear.  The problem with a commission is not only does it have to look like a dog it has to look like a specific dog.  In this case it had to be done quickly because it was a birthday gift.  I feel honoured to be entrusted,

Pegu on my easel

What do you think - did I succeed?