An Irish proverb said in situations when an appropriate reply to a sentence is difficult given the nature of the subject. Particularly relevant in situations where the recipient of the sentence feels indifferent and/or doesn't care on the subject matter of the sentence.
Deviations of "sure now", include "sure look" and "sure look sure now sure"
"Hey man, how did the day go?"
"Well....sure now!"
"I'm really stuck for cash dude, could I borrow a lend off you?"
"Sure now.."