It doesn't take a rocket scientist to suss out the two most important qualities of our speaker. The dude's head over heels, prime time 100% in love with his bonnie lass. Oh, and he's Scottish.
Other than that, we know that he's leavin', and it's most definitely not on a jet plane, given that this is the 18th century. And that's unfortunate because his journey's a long one—possibly ten thousand miles. That's way farther than The Proclaimers were willing to walk.