What are you talking about. When your father is in the hospital you still have to go to work. I don't know what is the dad's situation, but if he is the hospital undergoing work up or treatment what can Nole do there? He might as well do his best in London, even if he is not 100% focused and then go back home.
Don't even bother.
He's just looking for the crease. He wants to stick the needle in to see where he can get the most reaction.
Nadal isn't playing so he's bored. Poor thing.