Ten years ago I refused to do commissions... I felt that I painted in a certain way and that no-one can predict another person's thought process - almost like painting blind. I then gave myself a good klap on the head and reminded myself taht I was a professional - and that it was my 'job' to do whatever it took to do it and to stretch myself.
And how happy I am that I did...
Starts with a photo...
I tend to block in the positive shapes first
It normally starts like this