The ability to hear good news or encouragement when nothing of the kind is actually said within ear shot or outside it.
Sheila said that Doug is really into her based upon her conversation with him yesterday. I spoke with Doug and he said "No way". So, Sheila really just has happy ears and hears what she wants to hear....
It is said that one should know that when you see a car go by with a dog in the front passenger seat (head in or out), that the dog thinks he's driving. A dog boy is a some one who isn't materially affecting progression without any knowledge of this ineptitude.
That guy is such a dog boy, he thinks he is running this thing but no one listens to him or cares what he says.