Thanks Csaba.
Yes, cropping from the right would give a different picture, worth considering.
I left it as is because his head is like the centre of a mandala.
Flick.
I like this very much. There are two diagonal lines: the window frame and the (unseen) line of the model's look. Very nicely composed as they are at about right angles to each other which gives tension to the pivture. I would consider cropping from the right (just my personal preference). MCsaba