It's just the way it always happens: you have an idea, but no place to realize it. Suddenly the opportunity knocks at your door and all you need to do is to take it! And then... Oh, then you do not need to think at all anymore. Just let your hand to do the work. 
Only one must: always have a cup of good coffee nearby you. And something to paint. And wake up a bit earlier as always.

 

More: http://whynotbeart.blogspot.de/2014/09/how-art-just-happens.html