Not content to fail just once...

Yes it seems i'm not content to fail just once this week, after not being able to paint a little bird, i have decided that i will copy a small section of a Carravagio piece. Logic? No logic involved. Here is what ive done so far, note the disastrous attempt at the lips:

I hope it will look better later on... Its taken from this painting:

It is really good practice tho, the shading is really subtle and difficult. Hopefully i will fail better with this one..