Enjoy God Forever? Augustine, Westminster, and the Enjoy/Use Distinction

What do the Westminster Catechisms mean by speaking of our chief end as glorifying God and enjoying him forever? What difference does it make if we read the word "enjoy" here against the background, not of modern notions of happiness or enjoyment, but of Augustine's famous and deeply influential distinction between "enjoy" and "use"? A distinction established even more firmly in the Western Christian tradition in Peter Lombard's decision to begin his widely used Sentences with that same disti...