At the start, Jon was embarassed by the size differences. He never thought he was scrawny, at least not compared to others at Winterfell, but he knew he could never stand at eye level with Tormund

Jon Snow has been having dreams. Of Old Valyria, of a girl with brown hair and grey eyes, of a silver haired woman with dragons. He spends his waking hours brooding and pretending he is not watching Tormund Giantsbane too closely and that Tormund is not watching back.