Some of the crew animations are weird- that cook jigs about whether there's music or not if you watch him for any length of time...
What about the side-to-side business when you "talk" to any of the key crew members?
Try asking your No1 about his family when on the bridge, he'll twist and turn this way and that and continue some peculiar dialogue after you end conversation.
Too much rum in their tea...
And don't mention the radio op. Freak