Jon flexed the fingers of his sword hand. The Night's Watch takes no part. He closed his fist and opened it again. What you propose is nothing less than treason. He thought of Robb, with snowflakes melting in his hair. Kill the boy and let the man be born. He thought of Bran, clambering up a tower wall, agile as a monkey. Of Rickon's breathless laughter. Of Sansa, brushing out Lady's coat and singing to herself. You know nothing, Jon Snow. He thought of Arya, her hair as tangled as a bird's nest. I made him a warm cloak from the skins of the six whores who came with him to Winterfell ... I want my bride back ... I want my bride back ... I want my bride back ...
'I think we had best change the plan,' Jon Snow said.
- A Dance with Dragons, Jon XIII
YES! YES! YES! :) Even though I know he's not going to find the real Arya ... but yes, he finally decides to go and help his family! This moment is so emotional, it's really epic to read!